Gretchen starts to save at age 20 for an extended vacation around the world that she will take on her 40th birthday. she will contribute $1000 each year to the account, which earns 1.75% annual interest, compounded quarterly. what is the future value of this investment when she takes her trip?

a. $21,075.22
b. $23,884.84
c. $25,721.57
d. $32,066.31

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?