Consider U = {x/x is a positive integer greater than 1}.

Which is an empty set?

{xx € U and 2x is prime}

{xlx EU and 2x is prime}

{XX € U and 1/2x can be written as a fraction}

x

The mass of a container is 5.81 kilograms when completely filled with sugar. The mass of the container is 3.8 kilograms when 3/8 of sugar is removed. What is the mass of the empty container?

Assume a person pays $1 to play the following game. Four coins are tossed. If all coins show the same (all heads or all tails), the player wins $6; otherwise, the player loses. Find the expected value for this game.

The difference of a number and 24is equal to 46

How many angle degrees does a minute hand travel in 1 minute? What angle does an hour hand travel in 1 min?

Fro 13 friends to 14 friends

Which of these sets of numbers contain all rational numbers? A. π, 1/2, - 13 B. - 3.0541 ...,√99, 0.14363 C. - 6, - √225, 4 7/8 D. √21, 0.75, 0

A paint store mixed 4 3/4 cans of paint and 7 2/3 cans of white paint did this mixture make?

One number is 2 more than another. The difference between their squares is 20. What are the numbers?

M + 5/6 = 11/12 What is m? s - 1/9 = 5/18 What is s?

If F1 = - 5x + 4, F2 = - 6x - 5 and F3 = - 9x + 2 then simplify F1 * F2 - F3 in terms of x.