Please help me I don't get it

Rectangle abcd is translated to get rectangle a’b’c’d’. rectangle abcd moves units along the x-axis to get rectangle a’b’c’d’. rectangle abcd moves units along the y-axis to get rectangle a’b’c’d’. the algebraic rule that describes this translation is t(x, y), where x = and y = .

If eh = hg and hg=16, find the diameter of k

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys