Which of the following numbers is between 0.40 and 0.47? a) 7/50 b) 19/50 c) 21/50 d) 43/50

In the diagram below, tan θ = sqrt 3. what is the value of m?

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.

What is the perimeter of a rectangle if the length is 5 and the width is x?