Rewrite each of the following radicals as a rational number or in simplest radical form. a. √49b. ∛40c. √242

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2