A university has 30,330 students. In a random sample of 270 students, 18 speak three or more languages. Predict the number of students at the university who speak three or more language?

Ling wants to save $87 for tickets. If she has $23 now and will save $4 per week, how long will it take her to get enough money to buy the tickets?

How to solve this equation 2xsquare-4x-6=0

So solve for all values of x by factoring. X^ + 10x + 21=0

Juan has 18 posters. Ten of those posters show athletes. what is a ratio of the number of posters that show athletes to the total number of posters?

Solve each equation. 1. 5/2 * X=1 2. X * 7/3=1 3. 1 : 11/2=X

The number line is a graph of ... a. real numbers b. integers c. rational numbers

Corina multiplied 62 x 22 and found a product of 1,042. is Corina's answer reasonable? Explain.

According to data obtained from the national weather service 166 of the 400 people killed by lightning were men. assume that this trend holds for the future. what is the probability that a person killed by lightning is a woman?

The range of the function f (k) = k2 + 2k + 1 is {25, 64}. What is the function's domain? {5, 8} {-5, - 8} {3, 8} {4, 7} {4, 8}

The East-Side soccer team has a cylindrical water cooler that is half full. The diameter of the cooler is 12 in. and the height is 15 in. The team's drinking cups hold 20.14 in3. How many drinking cups can be filled from the cooler? Use 3.