Simplify using order of operations.
2•3+2(10 - 8) +7

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.