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?

What are the roots of x^2+6x-9=0

What expression represents the volume of the prism, in cubic units? The oblique prism has a rectangular base with a width of 10 units and a length of 13 units. An oblique prism with a rectangular base is shown.

Beth has already jogged 3 miles. she plans to jog less than 12 miles. which inequality can be used to find the number of miles (m) she has left to jog? a. m + 3 > 12 b. m - 3 > 12 c. m - 3 < 12 d. m + 3 < 12

The sum of two numbers is 70. one number is 8 more than the other. what's the smaller number?

Thinking about the areas of a Standard Normal Distribution, as z values decrease, do the areas to the left of z increase, or decrease?

The mean of a set of 7 numbers is 48. The number 104 is removed from the set. By how much is the mean reduced?

Convert 53/8 into a mixed number of an improper fraction

Suppose that y varies directly with x and at the same time varies inversely with z and y=12 when x=6 and z=-2. Write the equation that models the relationship. A: y=-4x/z B: y=4x/s C: y=-4z/x D: y=4z/x

Find tbe quotient 5 / 18 : 2 / 6

The product of 25 and a number fis 5.