Yoko has scored 81, 84, 84, 69, and 76 on her previous five tests. What score does she need on her next test so that her average (mean) is 81?

What does x equal if x-10 divided by x-4 equals 50 divided by - 6

Which property is shown in the equation below? (12k + k) + 6k = 6k + (12k + k)

Find the value of x of the area of the rectangle is 52cm. The sides lengths are 3x-5 and 4

How many 1.1 centimeter lengths can be made from a string that is 5.093 centimeters long? Enter a numerical answer only.

Find the profit. round to the nearest cent Cost: $120 Percent of profit: 8% Cost: $96.40 Percent of profit: 14% Cost: $52.83 Percent of profit: 25.7%

Given the function: f (x) = 2x^ 3 - 3 2 x, find f ( - 4)). es

Triangle MRN is created when an equilateral triangle is folded in half.

The length of a rectangle is four times it's width. If the area of the rectangle is 324 ft.², find its perimeter

Order the fractions from least to greatest. Type the number next to the fraction into the box for the position of the fraction in order. 1.45/90 first 2.5/9 second 3.3/10 third

Evaluate the expression when b = - 6 and x=3. -x+56