Mary and Bob share £80 in the ratio 1:9. Work out how much each person gets. Show your working.

Mei bought a box of markers for b dollars, a shoulder bag that cost twice as much as the box markers, and a pen that cost $6 less then the shoulder bag. Write the cost of the pen in terms of b.

A presidential candidate plans to begin her campaign by visiting the capitals in 4 of 45 states. What is the probability that she selects the route of four specific capitals?

What is discrete and continuous

Find 4 consecutive even integers such that when three times the smallest of the intagers is added to twice the largest their sum is 293

The sum of two numbers is 90. One number is 10 less than the other. Find the number.

Shawn made fudge brownies and peanut butter brownies. Each batch of fudge brownies makes 9 pans. Each batch of peanut butter brownies makes 7 pans. Shawn made 13 batches and ended up with 97 pans of brownies.

Twelve cubic inches of soda are left in a can that holds 20 cubic inches. What percent of the soda has been drunk? What percent of the soda is left in the can?

Is it true that (x+4) = x² + 16? Explain.

If AB = AD + DB and AD = AC, then AB = AC + DB because of the

Rectangle prism with length 20inches, width 18inches and height 10inches. Suppose water is pumped out of the aquarium at a rate of 360in^3 per min. If the aquarium starts completely full how many mins will it take to empty it