If D varies directly with t and D is 105 when t is 3, find D when t is 8.

a. 35

b. 280

c. 840

Use the distributive property to evaluate each expression 7 (9 - 4) = ?

47Are the expressions equivalent? Select Yes or No. A. 2-4n and 2 (1 - 2n) B. 5 (3x + 2) and 15x + 10 C. 2 (rxr xr) and 6r D. 8 (22 - 3) and 162 - 3

How am I supposed to know that Dory biked 143 miles last month? The word problem only shows the 11 times and the total of 143.

Given: A = 12,4,5,7,8) B = (3,5,8,9) What is A UB?

253,761 In Expanded Form.

Four friends went shopping for school clothes. Kim bought 5 shirts, Jill bought 4 shirts, Leslie bought 6 shirts, and Crystal bought only 1 shirt. Which answer choice represents the mean of the shirts purchased?

A store is having a sale on walnuts and chocolate chips. For 2 pounds of walnuts and 12 pounds of chocolate chips, the total cost is $33. For 5 pounds of walnuts and 3 pounds of chocolate chips, the total cost is $15.

1/2-18/25x=12/25-1/10x solve.

10. Sarah is planning to fence in her backyard garden. One side of the garden is 34 feet long, another side is 30 feet long, and the third side is 67 feet long. Find the perimeter of Sarah's garden to determine the amount of fencing material needed.

You roll a standard number cube. Use the probability of rolling an even number to find the probability of rolling an odd number