Sophia spent $7.30 for school supplies. she spent $3.00 for a notebook and$175 for a pen. she also bought 3 large erasers. if eacheraser had the same cost, how much did she spend for each eraser?

The perimeter of a square garden is 284 feet. how long is each side

A store sells self-serve frozen yogurt sundaes the function C (w) represents the cost, in dollars, of a sundae weighing w ounces. An appropriate domain for the function would be A. Integers B. Rational numbers C. nonnegative integers D.

Solve the system of equations. 2x - 5y = 3 x - 3y = 1 (4, 1) (5, 2) (7, 2) (9, 3)

1. Rewrite the constraints in slope-intercept form. 2. List the values of the objective function for each vertex

Alex spent 1/3 of his pocket money on a toy airplane and 2/3 of the remainder on a toy robot. He had $20 left. How much did he spend altogether?

If a car travels at a speed of 25 miles per hour for t hours then travel s 45 miles per hour for m hours what does the expression 25t + 45m represent

Simplify by combiningl ike terms 2x+5y+6x-2y

Which set is a subset of every set?

For the following system, use the second equation to make a substitution for y in the first equation. 3x + y = 1 y + 4 = 5x What is the resulting equation?

Eleven less than a number is more than seventeen in number form