Shaun needs to make mortar for brick-laying. It is made in the ratio 7:3 of sand to cement.

If 210 kg of sand is used, how much cement is needed?

Which of the following is NOT a way to prove triangles similar? A) proving the sides are in proportion. B) Proving two angles are congruent. C) Proving all sides are congruent. D) Describing a sequence that can map one triangle onto the other.

X^4Y^7 divided by X^5Y^3

What is 1/8 divided by4

A contractor is pouring a concrete driveway. The perimeter is 108 ft. What length will the driveway be if the width is 12 ft.?

when taking the square root from both sides of the equation, how many solutions will the equation have

You have four $1 bills, two $5 bills, five $10 bills, and five $20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. Find P ($1, then $10).

Which statement is true? A. The numbers on a horizontal number line are oriented from right to left. B. The numbers on a vertical number line are oriented from top to bottom. C. The numbers on a horizontal number line are oriented from left to right.

Given 4 / (-2 - 6sin (theta)) What type of directrix does this conic have?

John needs to cut three strips of wood 11 3/5 inches, 15 1/5 inches, and 9 2/5 inches long. He has a strip that is 48 inches long. How long will the leftover piece be after he cuts what he wants?

A bank statement includes bank charges. On the bank reconciliation, the item is a/an