Why is one side of the moon called "the dark side of the moon"
A. the moons rotation time is exactly half the time of its revolution

B. the moons rotation and revolution take the same time.

C. the moons rotation time is exactly twice the time of its revolution.

Sarah is making a scale drawing of a painting that is 48inches wide by 120 inches high her paper is 12 inches wide and 24 inches tall she decides to use a scale 1 inches equals 4 inches is this a reasonable scale

Based on current rates the earths human population is expected to grow how much by 2050

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation