Find the volume of a regular triangular pyramid if it has height h=12 cm, base edge b=10 cm and height of the triangular base hb ≈ 8.7 cm.

Salma, Felipe, and Eric sent a total of 82 text messages during the weekend. Felipe sent 7 more messages than Salma. Eric sent 3 times as many messages as Salma. How many messages did they each send?

A swimming pool is 15 by 30 feet and a consistent 5 feet deep. you are painting the walls and floor of the pool. if a gallon can of paint covers 250 square feet, how many gallon cans would you need to buy

William was on diet for 3 weeks. he lost 1.8 pounds in the first week, 3 pounds in the second week and 2.25 pounds in the third week. How much weight did he lose after the three weeks?

Which equation could be used to solve this problem. The Sum of two consecutive integers is 107. find the integers. A) n+1=107 B) 2n+2=107 C) n+2=107 D) 2n+1=107

The ratio of girls to boys in the six grade class is seven to six. If there are 84 girls, how many boys are in the six grade

The last time David filled up his truck with gas, he spent $27.44 for 7 gallons. if the price is the same, how much will he pay?

Which expression is NOT equal to 28? A. (9 + 25 : 5) * 2 B. [ (13 - 4 * 2) - 1] * 7 C. 42 : 6 + 28 : 4 D. 7 * [8 - (12 - 4 * 2) ]

Thajus earned $19 babysitting on Saturday and $8 babysitting on Sunday. By how much did his earnings on Saturday exceed his earnings on Sunday? $1 $11 $27 $30

V144 = V121 What does this even mean

What is 46/200 as a decimal