How do I solve this equation?

2x-3y=-9

y=4x-17

The volume of a cube is 8 cm'. find th length of one of its sides Find the volume of a cube whose length

A correlation of r =.92 indicates a strong, positive correlation. A) Correlation must be between 0 and 1. B) A correlation of r = -.17 indicates a strong, negative correlation. C) A correlation of r =.01 means there is no significant correlation.

8 tins holds 42-2-3 liter of oil. How many liters can 1such tin hold

A student takes a multiple choice test. Each question has N answers. If the student knows the answer to a question, the student gives the right answer, and otherwise guesses uniformly and at random.

At a garage sale, Susan found a vase for $5. She was able to negotiate the price of the vase to $4. By what percent was the price of the item reduced?

Paul can walk 15 steps in 5 minutes. How long does it take Paul to walk 75 steps at the same speed?

Tom drops a coin from the top of a building. Tom is 90 meters from the ground when he drops the coin. A) What is the height of the coin exactly 3 seconds after he releases the coin?

Reduce To Simplest Form. -1/4 - (-3/5) =

Answers to mathematics 1

A library has 12,500 fiction books and 19,000 nonfiction books. Currently 2/5 of the fiction books and 2/5 of the nonfiction books are checked out. Of the books checked out, 1/10 are due back this week. How many books are due this week?