If A={c, a, k, e} and U={a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z}, find A′.

12.3 - (-9.6) = 12.3 + 9.6 Simplify the expression, and explain what the number means with regard to the problem.

Show that in any group of 101 people there are at least two persons having the same number friends (It is assumed that if a person x is a friend of y then y is also a friend of x and we are only considering the friends amongst the group of people).

Rewrite the following numbers in their best form

I need to factor this question 3x2+13x+4=0

Select all of the following that are quadratic equations. 7x2 + 14x = 0 x3 - 3x2 + 1 = 0 5x - 7 = 0 x2 + 3x - 5 = 0 x - 5 = 9x + 7 x2 - x = 3x + 7

Q - 1.8 = 14 solve it

If Cade shoots 275 free throw baskets in 2 hours, about how many can he shoot in 5 hours.

Dave found that about 8/9 of the students in his class have a cell phone. What percent of the students in his class do not have a cell phone? Write your answer as a percent and as a decimal. Show work.

Erin's water bottle holds 665 milliliters. dylan is carrying two water bottles. each one holds 0.35 liters. who is carrying more water? how much more?

A manufacturer made 7,234 boxes of coffee stirrers. Each box contians 1000 stirrers. How many stirrers did they make?