30 140230d
o
42abos
the number of cookies 42
margo baked was 30%
more than the number
farrah baked. if farrah
baked 140 cookies, how
many did margo bake?
4.2

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

the diver is 33 feet below the surface.

step-by-step explanation:

hope this

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.

the first option i believe

step-by-step explanation: