In a box of 200 batteries, 190 are good and 10 are defective. If 4 batteries are pulled from the box, what is the possible number of ways that 2 are defective?

a. C(200, 2) x C(5, 2)
b. P(200, 2) x P(5, 2)
c. C(190, 2) x C(10, 2)
d. P(190, 2) x P(10, 2

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below. the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Paul can type 60 words per minute and jennifer can type 80 words per minutes. how does paul's typing speed compare to jennifer's