Explain the rulings of the Dred Scott decision by the United States Supreme Court.

Neglecting air resistance and the weight of the propellant, determine the work done in propelling a five-ton satellite to a height of (a) 100 miles above Earth and (b) 300 miles above Earth. If 12 girls can sweep a room in 20hours, how many hours will it take 8 girls to perform the same task, assuming they are sweeping at the same rate? Software and technology that allow people to work together on a task are known as How do enzymes function in biological reactions? Observe los datos de la siguiente tabla y resuelva. x -2 -1 0 1 2 3 y 1 3 5 7 9 11 Based on the Pythagorean theorem , find the missing length for each of the given right triangles Which of the following numbers is to the left of 5 2/3 A. 5 5/6B. 5 3/4C.5 7/12D.5 11/12 The senior classes at High School A and High School B planned separate trips to Yellowstone National Park. The senior class at High School A rented and filled 9 vans and 14 buses with 710 students. High School B rented and filled 13 vans and 5 buses with 371 students. Each van and each bus carried the same number of students. Find the number of students in each van and in each bus. Which is the correct way to say "Luisa sees the tree."?Luisa ve al rbol.Luisa ve el rbol.Luisa ve a rbol.Luisa ve rbol. Snack food vendors and beer distributors earn some monopoly profits in their local markets but see them slowly erode from various new substitutes. When California voted on legalizing marijuana, which side would you think that California beer distributors were on which type of material is the best sound absorber?a. glassb. woodc. concreted. carpet Why is it important to vote? Give two (2) reasons. Two friends are working out together using weights:-James lifts 20kg weights up at a velocity of 1.9m/s-Kayla lifts 15kg weights up at a velocity of 2.6m/s0Which friend is creating more momentum? Write an equation of the parabola that passes through the point (46, - 150) and has x-intercepts - 4 and 56 . Then find the average rate of change from x= -4 to x=6.An equation is y =The average rate of change is Compare the solubility of silver chloride in each of the following aqueous solutions: a. 0.10 M AgNO3 More soluble than in pure water. b. 0.10 M NaCI Similar solubility as in pure water c. 0.10 M KNO3 Less soluble than in pure water. d. 0.10 M NH4CH3COO What is the Order of Magnitude of the number of pennies equivalent to a quarter? Which process results in the formation of two identical daughter cells Enter the word that correctly completes the conversation.Andrea: Do you like all the colors of the skirt?Ana: Only some.Andrea: Te gustan todos los colores de la falda?Ana: Solo ____. which statement would a proponent of self-determination or black nationalism most likely agree with? Match each word with the phrase that best defines it. comprehensive centralize coup d'tat infrastructure lyce Complete and wide-ranging A sudden overthrow of an existing government A secondary school that prepares students for UniversityTo bring under the control of a single authority The necessary structures that a country needs to function properly