How to find if two lines are perpendicular?

The area of a trapezoid is 276 cm2. the sum of its bases is 46 cm. each slanted side measures 13 cm. what is the height?

You want to lay tile in a room of your house. The room is 12 feet by 8 feet. What is the side measure of the largest square tile that you can use to cover the whole floor so there is no overlap or cutting?

What is the range of the following list of ordered pairs? (-3, - 1), (0, - 2), (4, 3), (1, 5)

What value of b makes the statement true? 17 = b - (-6.2) a. - 23.2 b. - 10.8 c. 10.8 d. 23.2

Grades 3, 4, and 5 have their annual field day together. Each grade level is given 16 gallons of water. If there are a total of 350 students, will there be enough water for each student to have 2 cups?

Tanya runs a catering business. Based on her records, her weekly profit can be approximated by the function LaTeX: f/left (x/right) = 2x^2-44x-150f (x) = 2 x 2 - 44 x - 150, where LaTeX: xxis the number of meals she caters.

What the complement of 54.6 degree

A triangle has a base of 10" and an altitude of 14". What is the area? a. 70 square inches. b. 24 square inches c. 280 square inches d. 140 square inches

Rashida was paid $720 for 30 hours of work. How much would she be paid for 40 hours of work? $750 $760 $960 $2880

24x5 - 8x4 + 12x - 4x2 4x2