In an over-fished area, the catch of a certain type of fish is decreasing at an average rate of 8% per year. If this decline persists, how long will it take for the catch to reach half of the amount before the decline?

A boat leaves a dock at 9:00 pm and travels due south at a speed of 20 km/h. another boat has been heading due east at 15 km/h and reaches the same dock at 10:00 pm how many minutes after 9:00 pm were the two boats closest together?

In Minnesota the twin cities average 12.1 inches of snow in January compared to 7.8 inches of snow in February.

What's the answer to - 11+2 (4x-1) + 6

5) What value of x makes this equation true (Show your work) ? 4 (3x - 7) = 36 + 4x

Evaluate algebraic expressions with a single variable Question Evaluate the following expression at x=-7. - x-5

If you multiply two decimals that are less than 1, can you predict whether the product will be less than or greater than either of the factors?

Jessie and Mia are playing the integer card game. The cards in Jessie's hand are 3, - 5, 9 and - 6. What is the total score of Jessie's hand?

Solve: b2-23=-5b11+13.

Which equation represent two less than a number is equal to 10

6. Regroup the numbers in the following problems, putting the numbers that add up to 10 or a multiple of 10 in parentheses. a. 2 + 9 + 8 b. 3 + 5 + 4 + 7 c. 4 + 2 + 16 d. 31 + 4 + 9