The price of a new car was £12 500it was reduced to £1125work out the percentage decrease

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

What is the value of x in the diagram below?

Which best explains why this triangle is or is not a right triangle ?