Diagnostic statistics will lead the researcher to choose an appropriate model; there may be optimal model. a. no single. b. at least one.
c. only one.
d. only two.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

The length of the line segment ac is 8x-9 what is the value of x