Let a be a rational number and b be an irrational number. Is a + b rational or irrational?

The sum of the exterior angles of any polygon is 360°. True or False

There are 3 cups. each cup is 5/8 full of water. how many cups of water is there altogether?

True or false: both functions and relations can be represented by mapping diagrams

2x + 4 = 9 - y solve for y

The shoe store expected to sell at least 95 pairs of shoes one weekend, but they only sold 77 pairs. What was the approximate percent error? Show your work to find the percent error.

The scale of a map is 1 in : 10 mile. How many actual miles does 3 1/4 represent

What is 118000 to 138000

F (x) = 3x-7 and g (x) = - 2x-6. Find (f•g) (4)

What is the answer to 1 3/5 * 3/5

What is - 4 - (-12) ? I don't know if you add them or subtract.