Mickey has a total of 36 unmatched socks that are either red, black, or brown. there are 11 unmatched red socks and four times as many unmatched black socks as brown ones ... how many unmatched black socks does mickey have?

15 students are going on a field trip. if three-fifths of them pack their lunches, how many students pack their lunches

A box contains 24 light bulbs, of which four are defective. if a person selects four bulbs from the box at random, without replacement, what is the probability that all four bulbs will be defective?

If ef = 6 and eg = 21 what is the value of fg

Factor 4n^4 + n^3. A. n (4n^3 + 1) B. n^3 (4n + 1) C. n^3 (4n)

How can 2x2 = x2 + 4x + 8 be set up as a system of equations? y = x2 - 4 y = x2 + 2x + 8 y = x2 y = x2 + 4x + 8 y = 2x2 y = x2 + 4x + 8 y = x2 y = 2x + 8

the sum of the digits of a two-digit number is 9. when the digits are reversed, the new number is 9 more than the original number. find the original number. check your answer.

Prove that if a, b and c are odd integers such that a + b + c = 0, then abc < 0. (you are permitted to use well-known properties of integers here.) be sure to show all work.

The cost of one pound of peanuts is 60% of the cost of one pound of cashews. If one pound of cashews costs $2, what is the cost of one pound of peanuts? What is the total cost of two pounds of peanuts and one pound of cashews?

Whats the fuction that represents a geometric sequence

Emily is 50 years old. Colin is 18 years older than Emily. Dan is 6 years younger than Emily. What is the total of their combined ages?