Answer:
f(-2) = 3
Step-by-step explanation:
f(x) = x² + 3x +5
f(-2)=(-2)² + 3*(-2)+5
= 4 - 6 +5
= 3
Answer:
The answer is B. 105 miles
Step-by-step explanation:
I just used a calculator and put in 30 times a random number until I got 63. So, 30 times 2.1 is 63. Then, I multiplied 50 times 2.1 to get 105 as the answer.
Hope that helps and please give me brainliest!! I only need 1 more brainliest to rank as an Expert!!
Answer: D y=20
Step-by-step explanation: I minus 115 and 120 and and multiplied 4x and i got y=20. I hope this helps
Answer: i am not sure but think the answer is d
Step-by-step explanation:
Answer:
25%
Step-by-step explanation:
Given that,
Initial cost of a t-shirt = $30
Final cost of a t-shirt = $37.50
We need to find percent of change. The percentage change in any value is given by :

Hence, the percentage error is 25%.