11/12 equals what in a percent and fraction

Solve the equation 5/x^2-x-20-1 / (x+4) = 1 / (x-5)

A pattern for 1 1 uniform uses 12 12 yards of material. Boleslaw wants to know how many yards are needed for 8 8 uniforms. Chantal wants to know how many yards she will need to make 15 15 uniforms.

Suppose that Ralph gets a strike when bowling 30% of the time. What is the probability that Ralph does not get a strike on the next three balls that he bowls? (round to three decimal places)

Use properties of addition and subtraction to evaluate the expression. - 24-8-26

What is the answer 1/3 (1/2•6•7) •6

A theater charges $5.00 admission for adults and $2.50 for children. At one showing 240 admissions brought a total of $800. How many adults attended the showing?

Make a conjecture about the product of a nonzero rational number and an irrational number

You have 38 animals with a total of 68 legs. Some have 2 legs and some have 4. What is the equation you use to work out how many 2 legged and 4 legged animals there are?

A number greater than 6?

A stack of one hundred eighty cards is placed next to a ruler, and the height of stack is measured to be 3 8 38 inches. how thick is one card?