Simplify.-7 + (-3)x + 5 + (-6)xa. 2 - 3xb. -12 - 3xc. -2 - 9xd. 12 - 9x

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

Is (root2 -2)^2 rational or irrational. show the steps and answer fast