There's a test with 100 questions all having an option for an answer of a b c d or e. If you guessed on all the questions what is the probability you would get 25 right. Explain how you got to this conclusion

A student selects his answers on a true/false examination by tossing a coin (so that any particular answer has a. 50 probability of being correct). He must answer at least 70% correctly in order to pass.

What is the greatest common factor of 3 15 and 9

62% of 80 I need the fraction I need the round I need the mental and actual percentage can you show me how to get these

What is the difference (2 x minus 3) minus (x minus 1) ? x - 4 x - 2 x + 2 x + 4

Simplify the expression 8*2.6

You report to your supervisor the average length of chain produced per operating hour each week. The equipment operates 5 days a week for 12 hours each day.

C. The gardener wants to cover and area of 108 square feet. The height of the garden is 12 feet. Use your formula to determine the length of the base of the garden. a. L = 9 feet b. L = 18 feet CL = 4.5 feet d. L = 1296 feet

Write an expression for the sequence of operations described below. 7 less than the quotient of j and k Do not simplify any part of the expression.

What is the slope of a line that is parallel of y=2

A 1 quart container of oil cost $2.89 a case of 12 1 quart containers cost $28.56 how much is saved per container by buying the oil by the case