Sonia has 120 blocks. She decides to stack up all the blocks so that each row
has one less block than the row below. She wants to end up with just 1 block on
top. How many blocks should she put in the bottom row?

43lbs of tomatos cost $387. how much would 41lbs cost

If f(x)=3 over x+2 - square root x-3 then f(7)=

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