Which of the following is equal to tan θ using coordinates on the unit circle?

A) y

B) x

C) y∕x

D) x∕y

What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)

What is the value of y? round to the nearest tenth

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.