Marco recorded the cost of jeans at several stores in the mall: $45, $65, $75, $45, $97, $88, $52, $67, $99, $35
Find the mean price of jeans at the mall.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm