Which of the following statements best describes the graph of x + y = 3? it is a line joining the points whose x- and y-coordinates add up to 3. it is a line joining the points whose x- and y-coordinates add up to 6. it is a line which intersects the x-axis at (3, 3). it is a line which intersects the y-axis at (3, 3).

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

What is the correct decimal form of 12%

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.