The top of a circular vanilla cake with a diameter of 10 inches was covered with frosting. the martinez family ate half of the cake at the birthday party. what area of frosting was left?

Which expression gives the area of the triangle shown below

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.