A piece of coal in a shape of a square pyramid has base edge pf 8.2 in on each side and with height of 5.3 in. What is the volume?

X+Y/3=5 solve for the X

David & his 2 brothers deliver papers. Each 1 can deliver a paper every 2 minutes, and all 3 deliver 147 papers. How long does it take them to deliver the papers?

Scott earns 5$ for each lawn he mows. He mowed 6 lawns on Saturday and 8 on Sunday. Which of the following expressions represents how much Scott made all together? A) 5*6+8 B) 5 (6+8) C) 5*8+6 D) 6 (5+8)

A survey asked eight students about weekly reading hours and whether they play musical instruments. The table shows the results of the survey.

Which polynomial represents the sum below? (4x2 + 1) + (4x2 + x + 2)

What's the addictive inverse of 4x - 5

A stack of boards is 21 inches high. Each board is 1 and 3/4 inches thick. How many boards are there?

There are 90 students in Grade 5, and 10% of them were absent today. In Grade 6, 15% of the 80 students were absent today. What was the total number of students in the two grades who were present today?

Solve for x: 4 (3x + 12) = - 36 x =

Write two inequalities to compare - 9 and - 6