The slope of the line passing through the points (7, 5) and (21, 15) is 5/77/557. Another line with a slope that is one-third that of the slope you just calculated passes through the origin and the point (3, 5)(3, 7)(21, 5)(21, 7).

Find two consexutive odd integers such that the sum of their square is 650

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 first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!