Marielle was in an accident. Her car left 2 skid marks of 48 and 52 feet. Her brakes
were operating at 80% efficiency at the
time of the accident and the drag factor is
.75.
What was the speed Marielle was
traveling when she started to brake?

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.

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52