Help again please QwQ thank you so much-

Find the value of the variable and the length of each secant segment.

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