Arace car drivers time in seconds to complete 12 laps is plotted on a graph, what is the dependent variable?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

What is the value of x? enter your answer in the box.