The mean of a set of four numbers is 3.5. if a fifth number, x, is added to the data set the mean becomes 4. what is the value of x.

You are filling baskets using 18 green eggs, 36 red eggs and 54 blue eggs. What is the greatest number of baskets that you can fill so that the baskets are identical and there are no eggs left over

Given the information in the diagram, which theorem best justifies why lines e and f must be parallel?

Give the domain on which the equation is defined. In particular, describe the set of x for which the equation is defined, using interval notation. Solve for the unknown variable. Show all your work. e^ (x-5) * e^ (3x+8) = 19

What is the common difference between successive terms in the sequence? 2, 8, 14, 20, 26, ... -6 -4 4 6

Describe the similarities and differences between the percent proportion and the percent equation.

Which equation represent two less than a number is equal to 10

6. Regroup the numbers in the following problems, putting the numbers that add up to 10 or a multiple of 10 in parentheses. a. 2 + 9 + 8 b. 3 + 5 + 4 + 7 c. 4 + 2 + 16 d. 31 + 4 + 9

Three clever monkeys divide a pile of bananas. The first monkey takes some bananas from the pile, keeps three-fourths of them, and divides the rest equally between the other two.

Suppose that the event of picking a face card from a standard deck of 52 cards is considered a success.

Would the margin of error be larger or smaller for 80 % confidence? Explain. A. To be less confident, the interval needs to contain the true proportion more often, so the margin of error would be smaller. B.