Answer:
A)

Step-by-step explanation:
Answer:
x = -48.
Step-by-step explanation:
40 + 4x = 3x - 8
4x - 3x = - 8 - 40
x = -48.
Answer:
6600
Step-by-step explanation:
y = 15000( 1.2) ^ (x/3)
Let x = 6 years
y = 15000( 1.2) ^ (6/3)
y = 15000( 1.2) ^ (2)
y = 15000( 1.44)
y =21600
This is the total amount in the account
We want the profit
Subtract the original amount in the account
21600-15000
6600
23 can round to 20 and 21 can also round to 20 so all u do is 20x20=400 so 400 is your estimated answer
You simply divide 3 into 8, which results in 0.375. Now you add 7 to it, which is 7.375.