A ramp is being built next to a 4-inch high sidewalk. The ramps angle of inclination is 10 degrees. Estimate the
length of the ramp to the nearest tenth of an inch.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?