Sarah sees an antelope and a giraffe on a nature show. The antelope is 3 feet tall. The giraffe is 18 feet tall. How many times as tall as the antelope is the giraffe?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.