Find the solution of this system of equations

-2x-2y=-12

4x-7y=-15

Fifteen years ago, russell bought his house for $141,000. the houses property value has decreased by 1.6% per year ever since then. if russell sells his house, how much is it worth, to the nearest hundred dollars?

Find an exact value. cosine of negative seven pi divided by twelve

On a map, there are 3 inches between two cities. The actual distance between the cities is 18 miles. What was the scale used? A. 1 inch = 6 miles B. 1 inch = 1/6 mile C. 1 inch = 54 miles D. 1inch - 18 miles

15% of the apples in a crate are rotten. There are 12 rotten apples in the crate. How many apples are in the crate?

Which of the following is a sign you may be drowsy behind the wheel? A. Jitteriness B. Happiness C. Unhappiness D. Irritability

bryan sells gadgets at a price of $7 apiece. His average cost is $5 per gadget. On Monday, bryan sold 10 gadgets; on Tuseday, he sold 7 gadgets; on Wednesday, he sold 9 gadgets; on thursday, he sold 11 gadgets and on friday, he sold 13 gadgets. 5.

an item that cost $50 is marked 20% off sale tax for the item is 8% what is the final price including tax. solve the problem with the discount applied before the sales tax

What is 11<2a+3 less than equal to 19 in compound inequality

There are 17 girls and 23 boys what is the ratio

Warren harvested 3/5 of the corn crop in the morning. After lunch Warren harvested the other 2/5 of the crop. How much more was harvested in the morning