Christy bout an 8-foot piece lumber to trim a bookshelf. Altogether, she needs 100 inches of lumber for the trim. Did christy buy enough lumber? explain

24 kids in miss p class collected an average of 18balls. miss lees kids collected sn average of 21balls. how much more did miss lees kids collected. show all workings

Simplify 5 (3x-6) - 8 (3x-7) Can someone explain how to do this in English?

What is the thousands place in the number 74,638,249.

Penn stacks all his snowballs in a square pyramid. the number of snowball, P (n) in n layers of the square pyramid is given by P (n) = P (n-1) + n2 which could not be the number of snowballs Penn has? A: 5 B: 30 C: 25 D: 14

To find the quotient of 4 divided by one-fifth, multiply 4 by

Is the lowest two integers of 24

The ratio of white marbles to blue marbles and jays bag is 2 to 5 if there is there are more than 50 marbles in the bag what is the minimum number of marbles that can be in the bag?

Jenna had $180.47 in her checking account. She bought groceries for $75.11 and gas for $29.64. How far below $100 is her checking account now?

Use cavalieri's Principle to calculate the exact of an oblique cylinder with a radius of 10 meters and a height of 11 meters.

Kendra was given this system of equations - 3x+7y=-15 - 2x-7y=5 Kendra's work is shown in the table. Where, if anywhere, did Kendra first make a mistake?