Answer:
C
Step-by-step explanation:
.
Answer:
let the number of snacks bought be x
f(x) = 7 +2.5(x)
=> f(x) is the amount you spend in total
Answer:answer is 17
Step-by-step explanation:
8(3) - 7
24-7
17
Answer:
All three chose a valid first step toward solving the equation.
All approaches are algebraically correct
Answer:
C
Step-by-step explanation:
The n th term formula of a geometric sequence is
= a 
where a is the first term and r the common ratio
Using the second and fourth term, then
ar = 6 → (1)
ar³ = 54 → (2)
Divide (2) by (1)
=
= 9
r² = 9 ⇒ r =
= 3 → C