The ratio of boys to girls in a group is 7:1. If there are 66 more boys than girls, work out how many girls there are.

Which expression tells how much the temperature needs to change from - 13°F to 50°F? Which expression tells how long it will take for the temperature to change? How much time will it take for the temperature to change?

Solve for y2. d = y2 - y1

Is 333.051422218 rational or irrational

What is the answer? 4 (-x+4) = 12

One fourth of the students in Mrs. Singhs music class chose a good tar as their favorite instrument. there are 24 students in Mrs. Singhs music class. How many students use a guitar as their favorite musical instrument.

Find the slope between (1, 1) and (8, 7)

Can 72 hundredths be reduced?

There are 3 fish tanks. One has 9 fish. One has 11 fish. One has 13 fish. How do I get same number of fish in each tank?

The estimate to 145.4 : 21

What is 124.15+154=