The number of shoes a group of college students own is approximately Normally distributed with a mean of 22.1 and a standard deviation of 6.3. About what proportion of the students own between 20 and 30 pairs of shoes? Use a graphing calculator to find the answer.

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x