Harry took out a loan from the bank. The variable DDD models Harry's remaining debt (in dollars) ttt months after he took out the loan.
D=-200t+9000D=−200t+9000D, equals, minus, 200, t, plus, 9000
How much does Harry pay back each month?

The correct answer is : 200

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

What is the lcm of 16 and 40 ? 24 and 40 ?