From the set {7, 15, 18), which of the values can be substituted for c to make the equation true.

90 - 2c = 60

A. 7
B. 18
C. none of these
D. 15

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y

Light travels at 186,000 miles per second. light takes about 1 1? 3 seconds to travel from the earth to the moon. calculate the distance between the earth and the moon based on the speed of light.