13r=3/7 what is r?

R=91/3. R=39/7

R=7/39. R = 3/91

Let x = a + bi and y = c + di and z = f + gi Which statements are true? theres multiple answers a. x + y = y + x b. (x * y) * z = x * (y * z) c. x - y = y - x d. (x + y) + z = x + (y + z) e. (x - y) - z = x - (y - z)

Sandra deposits $3,000 at the beginning of each semiannual period for 12 years at 10% interest compounded semiannually. Determine the amount she will have in the account after 12 years. Round to the nearest cent. a. $130,506.00 c. $121,291.43 b.

The data set is 7,8,10,11. How would the mean, median, and mode change if you added a 9 to the data set?

Write this number in word form 7,258,630

Given the functions f (x) = 7x + 13 and g (x) = x + 2, which of the following functions represents f[g (x) ] correctly?

A zoo has 151515 Emperor penguins. The Emperor penguins make up 30%, percent of all the penguins at the zoo. How many penguins live at the zoo?

Liam earns $7.50 an hour. His benefits package is equal to 25 percent of his hourly wages. When you include the value of his benefits, how much does Liam earn per hour?

jonah paid $25 for dues to a cub last year. This year he paid $35 for dues. By what percent did his dues increase

A triangular window has an area of 594 square meters. The base is 54 meters. What is the height?

75 ounces in 6 steaks