A card is randomly chosen from a standard deck of cards. Find each probability. a) P (2 of spades)
b) P (heart)
c) P (7 or jack)
d) P (face card)
e) P (black 10)
f) P (red or ace)

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)