Estimate by rounding each mixed number to the nearest whole number 5 1/3 +3 7/9

Does the point (1, sqrt 7) lie on circle shown.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

The graph shows the distance kerri drives on a trip. what is kerri's speed?