Make a list of what is the behaviors for great math mathematicians

Given: If X, then Y. If Y, then Z. Y is true. So:

Grace has been measuring a plant in her yard. The plant has grown 1 4 of an inch each month and gotten a total of 2 inches taller. How many months has Grace been measuring this plant?

Joe has a cylindrical glass jar that he wants to fill completely with apple juice. The jar has a diameter of 4 inches and a height of 8 inches. Which formula can Joe use to determine the amount of apple juice in this glass jar? A. V=πr2h B.

The ratio of boys to girls in the sixth grade is 2:3. If there are 80 boys, how many are girls? Solve using unit rates.

8/12 + (-3/12) = ?

The perfect squares between 21 and 52

I need to make this expression true by using grouping symbols. 2x2+3^2 - 4+3x5

Write these decimal fractions in words 42/100

Andrew has only one white and black socks in a drawer. The probability of him pulling out a black sock is 1/5. What is the likelihood of Andrew randomly pulling out a white sock?

Which is the largest? 76%,4/5,.77