What is the answer to this problem 7 6/7 + 7 1/9

What ratio is equivalent to 4 : 28

4 : 5 can be written as a fraction represented by which of the following?

Write the arithmetic sequence that has four arithmetic means between - 20 and 20.

7 divide 789 show your work

Factor x2 - 6x - 7.

Find the length of the longer leg of a right triangle to the nearest tenth of a yard if the hypotenuse is 19 yards and the shorter leg is 5 yards. A: 14.0 yd B: 18.3 yd C: 19.8 yd D: 24.1 yd

An airplane flies 1600 miles in 2 hours What is its average speed in miles per hour?

Factor the expression completely: x^3-27y^3

The regular price of a child's entry ticket to a water park is $9 less than that for an adult's. The park offers half off all entry tickets during the off-peak season.

Hannah has 89 of a pound of birdseed. She put 23 of a pound of birdseed into her bird feeders. How much birdseed does Hannah have remaining?