Trey runs 4 miles in 30 minutes. at the same rate, how many miles would he run in 48 minutes?

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)