Answer:
there would be 55 different combinations if there were 9 painting and there would be 49 different combinations if there were 8 paintings. i don't know what the first question means
Answer:
2x^2 +5x-3
Step-by-step explanation:
(x+3)(2x-1)
FOIL
first :(x*2x) = 2x^2
outer: x*-1 = -x
inner: 3*2x = 6x
last: -1 *3 = -3
Add together
2x^2 -x+6x-3
Combine like terms
2x^2 +5x-3
Answer: It should be -2
Step-by-step explanation:
Subtract X
2y=-x+6
Then divide by 2
Y=-1/2x+3
Answer:
15
Step-by-step explanation:
