The high jump bar was raised from2.15 meters to 2.2 meters. How many centimeters was the bar raised

What is the constant of proportionality in the equation X/y=2/9

If x+y+z=0 Prove that (x^2+y^2+z^2) = 4 (xy+xz+yz) ^2

Heather bought enough shells to make x necklaces. Each necklaces holds 16 shells. Heather has made 10 necklaces. Is 16x + 10 a reasonable way to represent the number of shells that Heather has left to make necklaces with? Explain your answer.

What are square roots and how do you find them?

What are the rules of prime factorization?

Tabitha's hiking distance in july was 2/5 miles she wrote the distance of 2.02 miles what error did she make?

Solve Y/5.6 = 12 for y

How to reduce 3/63 to its simplest form

Find the next three term sequence 2,8,32,128

Given that x and y are real numbers, find the value of x and y if (x+y) + (x-y) i=7+3i