If x represents a positive number, select all of the expressions whose value is greater than x. (Multiple choice answer) (1−1/4)x
9/8x
7/8x
(1+1/4)x

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4