Which complex number lies below the real axis and to the right of the imaginary axis?
a.2i-5
b.4-i
c.5 i
d.-2-i

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?