Evaluate each expression if d = 12 and e = 1/3 2d-5

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?