How do I add this fraction 7 9/12 + 4 5/9

Eben rolls two standard number cubes 36 times. Predict how many times he will roll a sum of 4.

What two of the same numbers equal 114

S (t) = - 120t + 1,080 to determine the salvage value, S (t), in dollars, of a table saw t years after its purchase. How long will it take the saw to depreciate completely?

Suppose that each of 935 smokers received a nicotine patch, which delivers nicotine to the bloodstream but at a much slower rate than cigarettes do. Dosage was decreased to 0 over a 12-week period.

A large rainwater collection tub is shaped like a cylinder. The diameter is 28 inches and the height is 40 inches. If the tub is 75% filled, what is the volume of water in the tub? Round to the nearest tenth.

A rectangular billboard 7 feet in height stands in a field so that its bottom is 12 feet above the ground. A nearsighted cow with eye level at 4 feet above the ground stands x feet from the billboard.

A study is done by a community group in two neighboring colleges to determine which one graduate's students with more math classes. College A samples 11 graduates. Their average is four math classes with a standard deviation of 1.5 math classes.

What is 4 (a5+7) + 6 (b7-5)

The average low temperature in a city in August is 49 degrees Fahrenheit and the average high temperatures is 71 degrees fahrenheit. Convert these temperatures to Celsius.

Write the resulting inequality. -7 ≤ - 2; Add 8 to both sides