I really need help! 1) What percent of a is b?
2) It is known that p% of a number is a. Write an expression that represents this number.

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16