Find g∘f if f(x)=√x and g(x)=x^2+16.

Simplify the expression 10/11(22z) + (a+5) -1

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

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?