Is this expression contain a variable?

7+15n

5/6:3/4 in simplest form

Do you regroup 93+2

Simplify (c^2 + 2c - 6) (c+5

Rearrange the equation so x it the independent variable -5x-4y=-8

Eric purchased three music CDs and a sweatshirt from a band's online store and received a 20% discount. He paid $56 for his purchase. The following week, the same store offered a 40% discount on all its products.

Martinez Corp. uses a perpetual inventory system. Data for product E2-D2 include the purchases shown below. Date Number of Units Unit Price May 7 44 $16 July 28 33 21 On June 1, Martinez Corp. sold 22 units, and on August 27, 33 more units.

Circle E has a radius of 40 inches with = 324°. Find the exact length of

In the number 28,429 how many times greater is the value of the two in the 10,000's place compared to the value of a two in the tens place

How to solve 2x 4=17 step by step?

y varies inversely with x. If x is 6.4 when y is 1.5, what is k, the constant of inverse variation? Round your answer to the nearest hundredth, if necessary.