Becky made 63 carnival masks, which is 30% less than the number her brother made. How many carnival masks did becky and her brother make in total? HELP

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.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

What is the solution set of the quadratic inequality x^2-5< or equal to 0