Quien me dice la respuesta de esto por favor. 2r - (5-r) = 13+2r

Find the next number in the series 3, 9, 81, 6561

Lisas store collects 5 percent sales tax on every item sold. if she collected $22.00 in sales tax, what was the cost of the items her store sold?

What is 25/30 as a percent and decimal

What is the answer to 3 2/3

Tv emporium had a huge sale in the morning 5/12 of the flat screen televisions were sold in the afternoon one-third of the flat screen televisions were sold how many flat screen televisions were sold all together

Which of the following expressions are equivalent to 3.7:2.2 x (-9.4) A. 3.7 x (-2.2) : 9.4 B.-3.7 : (-2.2) * (-9.4) C. None of the above

What is 2-3 (9+x) - 98? What is x?

What are the factors of the expression 3x (y + 5) ? A) 3, x B) 3, (y + 5) C) x, (y + 5) D) 3, x, (y + 5)

Express 125 = 5x as a logarithmic equation.

A doormat is 3 feet by 2 feet. What is the area of the doormat? 2 1/2 ft 2 NI 3 ft