a + b = 300 pls help i cant find out the answer

Use the poem to complete the sentences.The first four lines of the poem make up a.The last two lines of the poem make up a. 2. Which location has the oldest rock? :1:mid-Atlantic ridge 2:oligocene 3:A4:Paleocene 1. Lifting an elevator 18m takes 100kJ. If doing so takes 20s, what is the average power of the elevator during the process? 2. How much work can a 0.4 hp electric mixer do in 15 s? Which of the following is NOT a reason for theorigins of government?A. Defend private propertyB. Collect tax revenuesC. Protect people from conflictD. Provide law and order In 42 - 15 = 27, the number 42 is called thethe number 15 is called theand the number 27 is called What is a two-column proof 1.Did you know, that Marcus is getting married on July 26th, Select the correct answer.A school bus has 25 seats, with 5 rows of 5 seats. 15 students from the first grade and 5 students from the second grade travel in the bus. Howmany ways can the students be seated if all of the second-grade students occupy the first row?OA 25P20OB. SPs * 20P15OC5C525C14OD. SPs *15P15OE PSX25C5 please help, everything is in the pictures. :} Can someone help with this? Work out the lengths of sides a and b.Give your answers to 1 decimal place.17 cmaab8 cm12 cm5 cm There is a bag with only red marbles and blue marbles.The probability of randomly choosing a blue marble is 78.There are 56 marbles in total in the bag and each is equally likely to be chosen.Work out how many red marbles there must be. Calculate the amount of heat required to completely sublime 55.0 g of solid dry ice CO2 at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kj mol The value of H for the reaction below is -6535 kJ. ________ kJ of heat are released in the combustion of 16.0 g of C6H6 (l)?2C6H6 (l) + 15O2 (g) 12CO2 (g) + 6H2O (l) Write the electron configuration for Gold (Au). You may choose to write it in the long form or in the noble gas configuration form (shortcut). what is the mean mark of 847 30? Please help me on this question helpppppppppppppppppppppppppppppppppp!!!!!!!!! We dont dance / arent dancing at school today. Boys dont wear / arent wearing pink T-shirts. Alpha wolves track the prey.The prey is also hunted by alpha wolves.Alpha wolves decide where to build the pack's den.Producing pups for the pack is also something alpha wolves do.Directions Combine the sentences into one sentence that includes a list. You may change the form of the action words and remove unnecessary words.