The radius of a circle is 12 inches. Using the formula A ≈ 3r2, what is the approximate area of the circle? 432 in2.

A right triangle has a leg of 11 cm and a hypotenuse of 17 cm. What is the length of the other leg? Round to the nearest tenth.

What is the principal square of 36? Explain.

Identify the vertex and axis symmetry of the graph y=-2 (x+1) ^2+5

14) Happy Birthday! The cost to rent a jumphouse is $500 per day plus $30 per hour of use. Your budget for a one-day rental is $680. Represent the maximum number of hours h that you can rent the jump house, then solve the inequality.

A round pizza of radius 20 cm and uniform thickness of 2 cm is reshaped before cooking to form a square. If the square has a uniform thickness of 1 cm, what is the length of one of its sides, to the nearest cm?

If b does not equal 0 , can the solution set of ax = b be a plane through the origin?

Ramon earns $1,840 each month and pays $53.40 on electricity. To the nearest tenth of a percent, what percent of Ramon's earnings are spent on electricity each month?

The city of Hamden received money for improvements of the town's park. The park committee polled a random sample of 75 residents from the town. Of the 75 residents, 27 would like to see more trees planted in the park.

Intersecting lines forming linear pair which pair of angles is a linear pair?

A small publishing company is planning to publish a new book. The production cost to include a one-time fixed cost and variable cost. There are two production methods it could use.