Answer:
21
Step-by-step explanation:
This is a substitution question,we are to substitute a given value in place of a certain letter
So let's solve
2x^2-x
And since x is given to be -3
So let's substitute
2(-3)^2-(-3)
2(9)-(-3)
18+3
21
So the final answer is 21
Answer:
the answer is C! Brainliest?
You know you have to divide, but you can't decide which way.
Use your units. The answer will be (money) per (can of soup), so
you know you have to divide the money by the number of cans.
(If you divided (cans of soup) by (money) then the answer you get
would be (cans) per (dollar). That's not what you need.)
(2.50) / (4 cans)
= (2.50/4) per can
= 0.625 per can .
Answer:
Step-by-step explanation:
Additional fee per person = $3
Additional fee for 's' person = 3*s = 3s
C = 60 + 3s
-1+1 is an expression that is equal to 0