Select the statement that describes the expression 7+2n A) 7 plus 2 plus n
B) 7 plus n times n
C) the sum of 7 and 2n
D) the product of 7 and 2n

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books