Y varies directly as x and inversely as the square of z. y=57 when x = 27 and z = 3. Find y when x = 50 and z = 5.
y =

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Which number line correctly shows 0.8 + 0.3?