3x-y=7

2x+3y=1

Which is a solution?

a: (1,1)

b: (2,-1)

c: (2,-4)

Jonas is given a test question asking him to show that the sum of two odd integers is always an even integer. Which choice is the best proof of his conjecture? Every time you add two odd numbers, the sum is an even number.

The temperature fell from 0 degrees to degrees below 0 in hours. What was the temperature change per hour?

Nivyana and Ana are selling their apparel to earn money for a cruise. Knitted scarves are $50 each in Mittens are $25 per pair. they cannot make more than 30 scarves and mittens combined.

Which equation has no soluWhich equation has no solution? 4 (x + 3) + 2x = 6 (x + 2) 5 + 2 (3 + 2x) = x + 3 (x + 1) 5 (x + 3) + x = 4 (x + 3) + 3 4 + 6 (2 + x) = 2 (3x + 8) tion?

The product of twenty-nine and x increased by the quantity and x plus seven?

The difference between 2 and twice a number is equal to the sum of a number and 5

9 (-2y-8) - 3y=-156 How would I answer this question?

3 less than one-thirteenth of some number, w

3. 152.64 + 123 + 0.024

How do I rename 600,000?