The height of a wave in california varies directly with the seconds that pass by. at 4 seconds, the wave is 6 feet high. find the constant of variation.

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.