Suppose that 10 of the 30 freshmen, 40 of the 60 sophomores, 5 of the 20 juniors and 40 of the 50 seniors were in favor of multiple choice exams. what is the overall estimate of the proportion of students in favor of multiple choice exams?

How do i find the circumference of a circle without the radius given?

The amount of mice that survive a new cancer treatment can be modeled by y = 25 (0.5) x. Determine which number represents the decay rate. 0.5 2 x 25

Solve x2 + 12x = - 11 by completing the square. Which is the solution set of the equation?

In a two-player game where each player holds two cards, what is the probability your opponent holds at least one ace if you are holding exactly one ace

How to solve (x-4) ^2

A rectangle has a height of 3p2+1 and a width of p3+4 your answer should be a polynomial in standard form

320 times 9 i'm not very good at time tables so if i could get an answer that would be nice

What is the slope of a line parallel to the line whose equation is y = 5x + 4?

Select the correct answer. Lisa creates a scatter plot of the number of minutes she runs on the treadmill and the calories she burns. About how many more calories does she burn for every additional 5 minutes on the treadmill? A. 10 B. 25 C. 50 D.

3. A + 2B = 9 4A - 2B-21