Simplify 3a + 4b + 5c + (-2a) + b A) 5a + 4b + 5c

B) 11abc

C) a + 5b + 5c

D) a + 4b + 5c

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.

Find the sixth term of the following geometric sequence.