Cheyenne is playing a board game. her score was −220 at the start of her turn, and at the end of her turn her score was −390. what was the change in cheyenne's score from the start of her turn to the end of her turn?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Write the following as a base and exponent

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.