Combinatorics and Probability Worksheet Name
1. Seven cards in a pile are numbered 1 through 7. One card is drawn. The units
digit of the sum of the numbers on the remaining cards is 7. What is the number
on the drawn card?
(A) 7
(B) 6
(C) 5
(D) 3
(E) 1

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

If value of cos330° is √3/2 then find tan165°.

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4