Which system of equations models the problem if x represents the number of angelfish nancy bought and y represents the number of goldfish she bought? nancy bought 360 tropical fish for a museum display. she bought 8 times as many goldfish as angelfish. how many of each type of fish did she buy? {x+y=360y=8x {x+y=8y=360x {x−y=360y=8x {x+8y=360y=8x

C

100% I just took the quiz and it was right.

Step-by-step explanation:

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560

i wish i could you, i have no idea how to answer this

step-by-step explanation: