Answer:


Step-by-step explanation:
2x² +21x-61 = (x+7)²
expand
2x² + 21x - 61 = x² + 14x +49
move everything to one side
x² + 7x - 12 = 0
use quadratic formula

plug in the values

solve



Answer:
D
Step-by-step explanation:
Answer:g(x) is the domain...
Step-by-step explanation:
I don't say u must have to mark my ans as brainliest but if it has really helped u plz don't forget to thnk me...
Answer:
I think it is 13/15 (0,8666666...) but I am not sure
20 quarts equal 5 gallons. There are 4 quarts in a gallon so:
4 x 5 = 20