Simplify (18 + t) (-3) + 9

Heron's formula: Area = An equilateral triangle has a semiperimeter of 6 meters. What is the area of the triangle? Round to the nearest square meter. 2 square meters 7 square meters 20 square meters 78 square meters

A triangle can be formed with side lengths 4 in, 5 in, and 8 in. True or false.

What is 3x+5x+2 factorised for yr 10 gcse

Solve this equation. 23x-15x=x-1 A. x=11315 B. x=178 C. x=1715 D. x=78

There are two types of membership fees for a gym. Gym A charges $70 per month. Gym B charges a start up fee of $240 plus $10 per month. How many months would it take for the memberships to cost the same? steps?

What is the relationship that exist between two quantities in unit rate

A car travels 162 miles in 3 hours. How far does the car travel in one hour?

Find the 15th, 18th, and, 31st terms in the sequence A (n) = 2 + (n-1) (-2)

Solution to 2/3x = - 5/2 + 2

Solve the problem. A circular fountain has a statue in its center, 9 m from the edge. What is the distance around the fountain? Use 3.14 for pi.