Which is a substance made up of only one kind of atom?

How do you find the angle measure of a regular dodecagon?

How do you find the initial value on a graph?

Andy has 5 pots, and each pot can hold 3/8 pound of soil. How much soil does he need to fill all of the pots?

Translate the phrase into a Variable expression : The Product of y and the Sum of y and 21.

Fiona bought some socks that cost $4.95 for each pair and some belts that cost $6.55 each. Fiona spent $27.95 in all. Let a represent the number of pairs of socks purchased and b the number of belts purchased. Which equation models the situation?

423% of what number is 88.83

Jerry started doing sit-ups every day. The first day he did 15 sit-ups. Every day after that he did 2 more sit-ups than he had done the previous day. Today Jerry did 28 sit-ups.

34 is 75% of what number?

How many crowns are 45 shillings

Beach Bike Rentals charges $5.00 plus $0.20 per mile to rent a bicycle. Write an equation for the total cost of renting a bicycle and riding for m miles.