Answer:
7
Step-by-step explanation: (dont trust me)
x^2 + (7)x +18
x(x + 4) + 3(x + 6)
18 / 1 = x / 15......18 miles to 1 gallon = x miles to 15 gallon
cross multiply
(1)(x) = (18)(15)
x = 270 miles
Plus a negative value becomes subtraction:
-12 + -23 = -12 -23 = -35
Answer:
Amplitude: 3
Period: 2π
Step-by-step explanation:
Step-by-step explanation:
Please specify values so we may answer. Judging by the looks of the question, this uses the concept of similarity