Answer:

Step-by-step explanation:

20x + 5y = 15
Subtract 20x on both sides
5y = 15 - 20x
Divide by 5 on both sides
y = 3 - 4x
Answer:
D. 58
Step-by-step explanation:
If the sample size is larger than 30, the sample can be approximated as normally distributed, even if the population it came from isn't.
Answer: 576
Step-by-step explanation: when you have the ^2 sign it just means multiply the same problem twice so to simplify it would be (-4•3•2)×(-4•3•2)
Answer:
Isabella borrowed money to start a business.
at a rate of 4% simple interest. After 10
years, she had accumulated $800 in interest.
How much did she initially
borrow?
Yes