4. Solve the system of equations by inspection. Explain your reasoning.

-2x+4y = 5

-2x+4y = 6

9. Which property is illustrated by (6 x 5) x 4 = 6 x (5 x 4) ?

mary mixes white paint and blue paint in the ratio 2:3 she makes a total of 20 liters of paint how uch more blue paint does she need to add to mixture so that the ratio of white paint to blue pain becomes 1:7

3*21/4 which expression is equal to that fraction

Abigail is putting tiles on a table top she needs 48 tiles for each of eight rows each row will be 6 White Tiles the rest of the tiles will be purple how many purple tiles will she need

How much would you pay for a boat that costs $15,000 if you buy it on sale for 15% off (excluding tax) ?

360 miles in a tank o27f gas

Solve x2 + 12x = - 20 by completing the square.

Which class has 28% 28% boys? Clear Check Class A: 3 3 out of 30 30 Class B: 28 28 out of 40 40 Class C: 1 1 out of 28 28 Class D: 14 14 out of 50 50

Alex and bob are playing 5 chess games. Alex is 3 times more likely to win than bob. What is the probability that both of them will win at least 2 games?

26/310 in simplest form