Forrest Lumber uses the function

S (t) = - 90t + 810

to determine the salvage value, S (t), in dollars, of a table saw t years after its purchase. How long will it take the saw to depreciate completely?

Find a polynomial function of degree 3 such that f (2) = 24 and x - 1, x and x + 2 are factors of the polynomial.

What is the next number in the sequence 2 7 8 3 12 9

In a bowl of marbles, there are 5 red ones, 6 green ones, and 4 blue ones. If two marbles are chosen at random with replacement If two marbles are chosen at random with replacement, find P (red and a blue).

The fletcher family puts loose change into a jar every evening. Once a month, the family counts the coins and prepares to take it to the bank, but removes all the pennies first.

Write the phrase as an expression twice a number x

Which decimal is equal to 2/5 0.6 0.15 0.2 0.3 0.4

At the end of one day, the value of a share of a certain stock was $12. Over the next three days, the change in the value of the share was $-1, then, $-1, and then $3. Write an expression that descrines the situation.

max travels 50 miles in one hour. At this rate, how long will it take him to reach a city that is 650 miles away?

Which property is demonstrated by the following statement? 15+w + (-12) = 15-12+w

9 m 7 m (23 m) What is the area