2x-2y=4 - x+y=-2 does the system have one solution no solution or infinitely man solutions

Solve for w. -21 = 7w

Which expressions simplify to - 3k - 8? (Choose 2) A) - 6 (k+1) + 3k-2 B) 2 (k+7) - 5 (k+1) C) 18k-3 (6k+5) D) 7k+6-10k-14

What is the Nth term of these numbers 80, 120, 160

Which is the smallest number? a. 6.1 b. 5.4 c. 5 1/10 d. 6 7/10

Which is the best estimate of the area of a triangle that has a base of 23.62 cm and a height of 8.33 cm? A. 200 cm. B. 160 cm C. 100 cm. D. 50 cm

What is 7/8 minus 1/4

Find the distance between (3,4) and (4,-6). If necessary, round to the nearest tenth. A. 10 units B. 101 units C. 7.3 units D. 53 units

MR. and ms Dorsey and their 3 children are flying to springfield. the cost of each ticket is $179. Estimate how much the tickets will cost. then find the exact cost of the tickets.

Is the pattern 2,3,5,8,12 arithmetic explain

On tuesday, San and liz each bought 1/4 pound of donuts each day. Three other customers bought 1/2 pound of donuts each. How many pounds did the customers buy in all?