7 : 3 = 8 : x

Could someone also give me an explanation?

(Proportions)

Y = x + 5; x = 3 Find the value of y for the given value of x

What is 10,650721 in word form?

Romi opened a gift shop in 1995 and closed it in 2000. In 1995, her inventory of stuffed animals was 350. In 2000 her inventory of stuffed animals was 0. Let x represent the number of years since 1995.

How many will there be at the beginning of hour 5

Mary spent a total of $321.04 for a party. She spent $200.84 on food, plus an additional $30.05 for each hour of the party. How long was the party?

Find the difference: (6y3 + 17y - 3) - (4y3 - 11y + 9)

Kenya exchanges $150 for British pounds suppose the conversion rate is £1 equals $1.60 how many pounds should she receive?

You invest $2000 in an account that pays 2.7% interest compunded annually. If you make no payments into the account, what will the balance of the account be in 10 years?. Suppose you establish the same account, but the interest compounds monthly.

What is the simplified fraction is equal to 0.53?

How do you interpret the correlation coefficient?