3x+5y=42
9x+7y=78
adding above equation
12x+12y=120
x+y=10
She could but 6 blue towels and 8 green ones.
Answer:
{x,y}={−3,−1}
Step-by-step explanation:
Answer:
0 length, the bird is touching the top of the fish
Step-by-step explanation:
Answer:
area = 2x² - 17x - 21
Step-by-step explanation:
Area of the rectangle is:
area = (width*length)
area = (x+7)*(2x-3)
= x*2x + x*-3 + 7*2x + 7*-3
= 2x² - 3x - 14x - 21
= 2x² - 17x - 21
