Anne has already knit 86 centimeters of scarf, and can knit 22 centimeters each night. After 21 nights of knitting, how many centimeters of scarf will Anne have knit in total? Write and solve an equation to find the answer.

Six less than double a number x

Jackie is selling smoothies at a school fair. She starts the day with $15 in her cash box to provide change to her customers. If each smoothie costs $3.75, which graph represents the balance of the cash box, y, after Jackie sells x smoothies?

I found a rock that contains 1g of radioactive Radium (half-life = 1600 years). I measure that 15g is no longer radioactive. How old is my rock?

How do I find the missing side or hypotenuse in a 45 45 90 triangle

Express 8 as a product of prime factors in index form

a triangle has an area of 38.4cm. the height of the triangle is 12.8cm. what is the length of the base of the triangle

Terry had $6.20. He then paid for his lunch with 3 quarters, 6 dimes and 9 nickels. How much money does he have now?

Find the unit rate for 50 miles on 2 1/2 gallons

What function has real zeros at x = 3 and x = 7?

A map has a scale of 6 inches which is equal to 26 miles in real life. If Clayton and Clinton are 52 miles apart, then they are how far apart on the map?