The layer of gold coating on a ring should be 0.03 millimeters thick when the ring is completed. A coating of 0.021 millimeters has already been applied. How many more millimeters of gold coating must be added to finish the ring?

What is the square root of 157.

Assume that you have 7 dimes and 5 quarters (all distinct), and you select 4 coins. In how many ways can the selection be made so that at least 3 coins are dimes? In how many ways can the selection be made so that at least 3 coins are dimes?

What is the area of the rhombus?

A school has 7 buses. Each bus has 40 seat. Filling in the missing number to find the total number of seat on the 7 buses

For the equation, Ax + C=Bx+d, find x expressed in terms of a, b, c, and d

What is the intesity of an earthquake with a magnitude of 3?

Which value should go in the box to make the fractions equivalent? 3/5 = () / 35. A) 7 B) 15 C) 33 D) 21

What does x+5>8 equal

Which system of equations below has no solution? y = 4x + 5 and y = 4x-5 y = 4x + 5 and 2y = 8x + 10 y = 4x + 5 and y = x+5 y = 4x + 5 and y = 8x + 10

One puppy weighs 12 ounces. Another puppy weighs 5/8 pound. Which puppy weighs more? Explain.