Triangle MNP is similar to triangle RST. M
39 cm
15 cm
13 cm
5 cm
S
12 cm
N
Which proportion can be used to find the length of NP in centimeters? (7.5A, SS, RC3)
c
A
NP
15
12
13
5
12
NP
15
39
B
39 NP
13 12
D
12
13
NP

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

Which choice represents the sample space ,s for this event

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4