Bob is moving and all of his sports cards are mixed up in a box. Twelve cards are baseball, eight are football, and five are basketball. If he reaches
in the box and selects them at random, find each probability.
8. P(3 football)
9. P(3 baseball)
10. P(1 basketball, 2 football) 11. P(2 basketball, 1 baseball)
12. P(1 football, 2 baseball)
13. P(1 basketball, 1 football, 1 baseball)
14. P(2 baseball, 2 basketball) 15. P(2 football, 1 hockey)

Find the slope of a line given the following two points

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path