alana found a sofa she wants to buy for her new apartment. the sofa cost $950.00 plus tax if Alana paid $999.40 for the sofa, what percent sales tax did she pay?

What makes solar energy "green"?

2x-4y=8 x+2y=4 How many solutions (x, y) are there to the system of equations above? explain

5 Aaron wants to draw rectangles that each have an area of 36 square inches. The length and width of each rectangle are whole numbers of inches. Tell whether each statement about Aaron's rectangles is True or False a.

What is the exact distance from (-5, 1) to (3,0) ?

Javier bought 48 sport cards at a yard sale. Of the cards 3/8 were basketball cards. How many cards were baseball cards?

The length of a rectangle is 4 centimeters more than twice its width. If the perimeter of the rectangle is 86 centimeters, find the dimensions of the rectangle

A rock has a height of 4 cm, a length of 5 cm, and a width of 2 cm. What is the volume of the rock? 11 cm 20 cm 50 cm none of the above

X is at most 30 as an inequality

The total value of a collection of nickels and dimes is $3.05. If the number of nickels is 19 greater than the number of dimes. Which equation determines how many coins there are of each kind?

Write two decimals, each less than 1, which multiply to make 0.1