A test consists of 30 multiple choice questions, each with five possible answers, only one of which is correct. find the mean and the standard deviation of the number of correct answers. round the answers to the nearest hundredth.

What is 2/3 X - 5/8 X = 26

If you answer 14 questions right on a 16 question quiz l, then what is your percentage

Multiply (1.8 x 10^3) x (5.1 x 10^2) 9.18 x 10^5 3.6 x 10^1 6.9 x 10^3 2.83 x 10^2

David wants to buy 2 pineapples and some bananas. The price of one pineapple is 2.99. The price of bananas is 0.67 per pound.

Three consecutive even integers have a sum of at least 69. What is the smallest trio of integers

A ski club had 146 members. Each member paid $30 a month for training fees. How much did the club collect in fees for the year? Show your work.

Which fraction has a repeating decimal as its decimal expansion? w w w cow

Solve the system by substitution. -8x - y = 30 -2y = x

Mary owns a small business. She spent $4,500 to get the business started. She has noticed that her monthly operating costs have been consistent. After five months, she has spent a total of $5,250 in start-up costs and monthly operating costs.

Steve's savings account has a balance of $1287. After 4 years, what will the amount of interest be at 6% compounded semiannually?