Math problem with interest! (34 points to the first person that is correct.)
***picture attached below***

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4