Greg bought a blanket for $35. 12. a pillow for $12.75, and a baseball cap for $12.25. He paid $60 and the rest he borrowed from his friend. If Greg got 99.88 in change from the cashier, how much did he
borrow from his friend to pay for all the items?
Greg borrowed from his friend to pay for all the items.

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95

What is 140 squared pleas me i am dumb