Evaluate each expression for a = 20 and B = 5

A/b A-b

Ab A+b

The area of the square represented in item 1 is revised to be 90.0 in. 2. note that the original grid spacing no longer applies. what is the side length of the square

Joey has 1/2 yard of wire that he wants to cut into 5 equal-sized pieces. How many inches long will each piece be.

Find the quotient and remainder fro 52:8?

Is 7/11 greather than 9/12

Kevin wants to rent a boat and spend less than $42. The boat cost $8 per hour, and kevin has a discount for $6 off. What are the possible numbers of hours Kevin could rent the boat? Use t for the number of hours

Which one of the following equations illustrates the commutative property? 8 + 3 = 4 + 7 If 3 + 5 = a, then a = 3 + 5 4 + x = x + 4 3 (2 + 5) = 6 + 15

A mixture of 30 pounds of candy sells for $1.10 a pound. The mixture consists of chocolates worth $1.50 a pound and chocolates worth 90¢ a pound. How many pounds of the $1.50 chocolate were used to make the mixture? 15 10 12

The area of a triangle is ½ (b) (h), where the base and height are always two sides of the triangle. a. True b. False

In order to estimate the average electric usage per month, a sample of n = 81 houses was selected, and the electric usage was determined. (a) Assume a population standard deviation of 450-kilowatt hours. Determine the standard error of the mean.

Jeremiah's mom is buying lollipops for treat bags for his birthday party. She wants each of the 36 guests to have 2 lollipops each. The lollipops come in packs of 8 each. How many packs of lollipops will she need to buy?