Multiply the number of choices for each position together. Three of the numbers can be repeated with the one (5) only being used once.
(4 possible choices) × (3 possible choices) × (3 possible choices) × (3 possible choices) = 4 × 3 × 3 × 3 = 108

(adding the second equation to the first one)

Answer:
19-12=7, so 4-7=-3, so b is equal to 19
Answer:
16
Step-by-step explanation:
Substitute (7) into the equation.
y= 1/4(15-(7))^2
Answer:
y=5
Step-by-step explanation:
b-intercept is the same as y-intercept