Answer:
The answer is

Why? Below I explain
Step-by-step explanation:
That formula has three variables a, b and c.
So, a = 2, b = 3 and c = -1
Because the formula is written like

Answer:
5,555,675,644,463,319
Step-by-step explanation:
plz mark brainly
JK 78 LOL
Step-by-step explanation:
On Monday maggie ran n miles.
On Tuesday, she she ran 90% of the number of miles that she ran on Monday i.e
.
On Wednesday, she ran 50% of the number of miles that she ran on Tuesday i.e. 
First expression : n+0.9n = 1.9 n
Second expression : n + 0.9 n + 0.45 n = 2.35 n
Hence, this is the required solution.
Answer:
37.5
Step-by-step explanation:
37.5 · 0.72 = 27
Answer:
d
Step-by-step explanation: