Sarah and Rico both collect rocks. If Sarah has three times as many rocks as Rico, and she has 84 rocks, how many rocks does Rico have?

Trey buys his favorite fishing lure in quantity. The total amount, y, Trey pays for his purchase is proportional to the number, x, of favorite lures he buys. Each lure's price is $1.25.

Let the expression a ⊥ b be defined: a ⊥ b = 5ab2 Evaluate: - 10 ⊥ - 10 A) - 50000 B) - 5000 C) 500 D) 5000 E) 50000

Three things in any room that I can't measure the area of with square feet

Perimeter of a square is (12x-2y). What is the algebraic expression for the length of the side of the square?

The price of the box of 10 markers is $7. The price of the box of 24 markers is $14. All prices without tax, and the price of the boxes is the same. Write an equation which tell the price Y for the number of markers X.

A rhombus has diagonals measuring 12 units and 16 units. What is the perimeter of the rhombus?

Write the absolute value inequality in the form x-b ≤c or x-b ≥c that has the solution set - 1≤x≤3.

What two perfect squares does 39 fall between

The Pacific Ocean covers about 46% of earth. If P represents the surface area of the Pacific Ocean and E represents the surface area of Earth, write an equation for this situation

One large submarine sandwich is divided equally among 4 people. How much of the sandwich did each person recieve.