Urgent plz the picture below shows a box sliding down a ramp: a right triangle abc has measure of angle abc equal to 90 degrees and measure of angle acb equal to 70 degrees. the length of ab is 20 feet. what is the distance, in feet, that the box has to travel to move from point a to point c?

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Factor this polynomial completely. 12x^2+ x-6

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?