(04.05)Erika calculated that she would spend $115 on school supplies this year. She actually spent $82.50 on school supplies. What is Erika’s percent of error? 28.3%
2.8%
39.4%
32.5%

Which is an equation for the nth terms of the sequence 12,15,18,21

Solve the system of equations. y= 2x y= x^2 - 15

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.