Gary tried to solve an equation step by step. \begin{aligned} \dfrac e{4}&=2.5 \dfrac{e}4 \cdot4&=2.5\cdot4&\green{\t ext{Step } 1} e&=8&\blue{\text{Step } 2} \end{aligned} 4 e 4 e ⋅4 e =2.5 =2.5⋅4 =8 Step 1 Step 2

The functions q and r are defined as follows. q(x)= -2x+2 r(x)= x^2 - 1 find the value of r(q(

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

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?