Evaluate 2a-b is a=2 and b=3

15. Sense or Nonsense cense or Nonsense? Sam and Dave each solve the problem at e right. Sam says the sum is 4 feet 18 inches. Dave says the sum e 5 feet 6 inches. Whose answer makes sense? Whose answer is nonsense? Explain.

Find the product. (4 x 10) x 10

If two angles are vertical angles and one of the angles is 2x+10 and the other is 70 degrees. find the value of x

What is the square root of 64

Nine hens laid 6 eggs each. Five of the eggs broke. How many eggs are left!

Write the standard equation for a circle with center (-6, - 8), that passes through (0, 0)

Don bought 3 1/2 quarts of ice-cream for a party. Four pints were eaten. How many pints remained?

Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures before she can schedule a meeting with the mayor. She already has 380 signatures.

Jeff bought a refrigerator for $1,300 he made a 10% down payment and finance the rest at 6% for one year how much interest did he pay?

If you hike 1/2 mile every 1/5 hour how far do you hike in two hours?