The sample space, s, for flipping a a coin three times is shown below. what is the probability of obtaining heads at least once?

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.