Which of the following color pallettes is on trend for 2020?
a primary colors
b earth tones
c cool tones
d hues of pink

How much work would be needed to raise the payload from the surface of the moon (i. e., x = r) to an altitude of 5r miles above the surface of the moon (i. e., x = 6r)?

What is the single most important equation in all of physics?

Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency