A 30-foot ladder is leaning up against a roof that is 20 feet above the ground.

(a) How far from the building is the foot of the ladder?

(b) What is the angle between the ladder and the ground?

What is 4 (3x+2) = 8 + 12x

Andy's backpack weighs 2 1⁄4 pounds. If he removes a book that weighs 13 ounces, how much does the backpack now weigh?

The cost in dollars, c, of renting a carpet cleaner is given by the linear equation. C = 20+25x, where x is the number of days. Use this model to find the cost of renting the unit for 11 days. A. $245 B. $295 C. $345 D. $425

Log 15 = log (7 - 4x)

How much would $300 invested at 9% interest compounded continuously be worth after 3 years? Round your answer to the nearest cent.

Name the operation that should be done first in each expression 12-3*4 and 7+3 (5-2

Factor the GCF: 12x3y + 6x2y2 - 9xy3. 3x2y (4x2 + 2xy - 3) 3xy (4x + 2xy - 3y2) 3xy (4x2 + 2xy - 3y2) 3x2y (4x3y - 2x2y2 - 3xy3)

Find the slope and the y intercept of the line 7x-y=6

Pete drove 224 miles in 4 hours on saturday. If he drives at the same rate on Sunday, how long would it take him to drive 490 miles?

A local appliance dealership conducted a survey of potential refrigerator buyers to find the type of Refrigerator they desire to purchase. The results are shown in the chart.