A toy shop purchases stuffed animals for 2.50 each then they sell them for $7 what is the percent markup

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100