On a math test, 5 out of 20 students got an a. if three students are chosen at random without
replacement, what is the probability that all three got a's?
a) 25/1368
b)3/400
c)1/114
d)none of the above

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

Acircle has a circumference of 7.850 units. what is its radius?