Answer to number nineteen

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q