Using the rule of 72, calculate how long it would take a $2 000 investment to grow into $4 000 if the interest rate earned was 4 percent.
Select one:
o a. 6 years
o b. 12 years
O c. 24 years
o d. 18 years

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

What is the distance from (–3, 1) to (–1, 5)? round your answer to the nearest hundredth. (4 points) a. 3.60 b. 4.12 c. 4.47 d. 5.66

In the next 10 month, colin wants to save $900 for his vacation. he plans to save $75 each of the first 8 months. how much must he save each of the last 2 months in order to meet his goal if he saves the same amount each month ?