An auditorium has 20 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. how many seats are in the auditorium?

Mel and Ken want to refinish the community center gym floor. The rectangular floor is 15.2 m wide and 25.6 m long. If 1 gallon of polyurethane covers about 180 square meters, how many gallons should Mel and Ken buy?

What is the measure of angle BDC? 28 34 56 112

Jade hiked 1 1/4 mile on the trail. Gretta hiked 1 1/2 times as far on the trail as Jade. How far did Gretta hike on the trail?

Abigail needs 48 tiles for each of 8 rows. Each row will have 6 white tiles. The rest are purple. How many purple tiles will she need

A real-life situation that can be modeled by the expression 1/4 x 2/3.

82 = 2 (1-8p) step by step

Find the simple interest of $2300 invested at 7.5%for 10years

Kelly shows all the ways to make 49 as tens and ones. What ways does she show

I have done a math equation for school and i forgot if i could leave a inproper fraction as my answer or if its a fraction i can reduce should i or should i not

Is 1,2,3,6,9 and 36 a múltiple of 9?