Make a 10 or 100 to subtract mentally?

What shape has 9 corners

What is the solution of 2x+2y=10 y=8x+5

Toni can carry up to 18 1b in her backpack. Her lunch weighs 1 1b, her gym clothes weigh 2 1b, and her books (b) weigh 3 1b each. How many books can she carry in her backpack?

Jason wants to buy a sweater that costs $65.50 the sweater is 40% of what is the price of the sweater now? Be sure to explain.

16x+9=9y-2 solve for y

Tickets to a local circus cost $5 for students and $8 for adults. A group of 9 people spent a total of $60. How many adults were in the group?

Find the side of an equilateral traingle whose perimeter is 75 cm

There are 4343 runners in a race. how many ways can the runners finish first, second, and third

The average of two numbers is 7. Find the numbers if three times one of the numbers is one half the other number. (Hint: write a system to determine the correct numbers)

What is the answer to 2x+6=7x-14