Henry can build 2 birdhouses in 30 minutes. how many birdhouses can he build in 4 hours?

If f (x) = 2x^2-x, find f (-4) - f (9)

Convert 72832 ounces' to tons?

Complete the equation of the line through (3,-8) (6,-4)

College students are offered an 8% discount on a textbook that sells for 43.50. if the sales tax is 8%, find the cost of the textbook including the sales tax

If 9 is subtracted from two-thirds of a number the result is 7

Find the simple interest at the 3% annual rate for 10 years

A triangle has sides measuring 5 inches and 8 inches. If x represents the length in inches of the third side, which inequality gives the range of possible values for x?

If pq = 23 and uv = 1/23, find the value of u x q x v x p. Explain which properties you used.

You had 26$ in your pocket. You purchased x pens at $3.50 each. You now have $8.50 in your pocket. Write and solve an equation to find the number of pens purchased

Which of the following statements best describes the location of - (-4) on a number line? It is 4 units to the left of 0. It is 4 units to the right of 4. It is 4 units to the left of 4. It is 4 units to the right of 0.