The table shows the derivation of sin(2x). Select the correct reason for each step.
Reason 1 is
Reason 2 is
Reason 3 is

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Find the power set of each of these sets, where a and b are distinct elements. a) {a} b) {a, b} c) {1, 2, 3, 4} show steps