In Ms. Berkeley's classroom 2/5 of the students play chess of the students to play chess 5/6 also play sudoku. if there are 30 students in Ms Barclays class how many play chess and sudoku?

What would be a good estimate for the number of rainy days

Mrs johana a lawyer charges her clients $250 per hour what is the equation that could be used to calculate mrs johanna total charges

If you bike for 3 hours at 10 mph and then walk for 1 hour at 2 mph, what would be your average speed? Show work. I know this question is easy but I can't figure it out.

Darius Washington makes 72% of his free throws. Using that percentage, what is the probability that he will WIN the game? That is, what is the probability that he will make all three shots?

Y=3x-4 X+3y=6 3 (x+1) = y-2 Identify which lines are parallel

A chemist is using 364 millimeters of a solution of acid and water. if 16.8% of the solution is acid, how many millimeters of acid are there?

Harriet plans to file using Single federal income tax return with her husband. Together, they made $145,000 last year. They also received $500 in interest from a CD they own together. They have no children.

Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 148 ft, and ball 2 is dropped from a height of 203 feet.

If 4+6+7=242854 6+6+7=364217 6+7+8=424828then 7+5+8=?

the numbers 30 to 74 are in a hat. If the probability of drawing a multiple of 2 is 23/45. What is the probability of not drawing a multiple of two?