In the scalene triangles shown. 2P 2 . K

Р

S

J

Which statement will prove that A POS is similar to KL?

O A 20 21

OB. 20 S

Od

ΡΟ

UK

IR

OS

JL

PS

D.

UK

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?