What kind of proof requires you to prove that all but one of set of possible alternatives are false? Direct proof, elementary proof, indirect proof, scientific proof

If gasoline costs $2.14 per gallon, and you drive 500 miles In a car that gets 30 mpg, what is the cost of the gasoline? Round gallons to tenths and money to the Nearest cent.

I am a product, one of my factors is 7, the sum of my factors equals 11, what number am I

Grace has a piece of string that is 8 inches long. She needs to cut the string into four equal pieces, but she does not have a ruler. Explain a way grace can cut the string into four equal pieces.

12. Amy walks her dog 2/3mile every day after school. How many miles does she walk her dog in 5 days? A 7/3 B10/3 C2/15D D10/15

The length of a desktop is 4 feet. How many inches is the length of the desktop?

Simplify 7x+42/x^2+13+42

Find the number if 12% of it is 10% of 6

A can holds 3 tennis balls. A box holds 4 cans. A case holds 6 boxes. How many tennis balls are in 10 cases?

How to solve for x was crying out and she

Two angles are supplementary if the sum of their measures is 180°. find two supplementary angles such that the larger angle is 56° more than 3 times the smaller angle.