5x+2y=21-x-y=-9 what is the answer

Which factor does the moment magnitude scale estimate? damage location wave strength energy released

The product of four and the sum of seven and a number

What two numbers does the square root of 46 lie

Alison and her family went out to dinner to celebrate the end of the summer. Alison agreed to pay the tip from the money she earned from her summer job. The total cost of the meal was $50.00. Alison left $9.00 for the tip.

Jamie owns about 3 times as many books as Carly. Jamie owns 42 books. Write an equation and use it to estimate the number n of books Carly owns

Find the area of a square with a diagonal of 8 cm. 16 cm2 12 cm2 18 cm2 32 cm2

What is the answer for this? y = 2 (x - 2) ² - 2

Jeff is thinking of a 5 digit numbers. rick is thinking of a 6 digit numbers. whose number is greater how do you know

Mrs baileys math class is 1 hour and 15 minutes long but next year math class will be shortened to 45 minutes long. how many minutes less are we going to have of math class

How do - 12.5 and - 10.5 compare? choose the correct symbol