Step-by-step explanation:
Substitute x=7in function f
Substitute x= - 2 in function g
f(7)= - 2(7)+4
= -10
g(-2)= 3(-3)+5
= - 4
Brainliest please~
Well if he made 10 in 4 hours, that means he made 5 in 2 hours. after 2 hours he had 30 cards, so that means he started with 25 cards. Mr. Cringle is making 2 and 1/2 cards per hour.
A percentage can just be written as a decimal where 100% = 1.00
15% = 0.15
75.5 * 0.15 = 11.325
You just multiply.
Answer: i think its B not sure tho.
Step-by-step explanation: