Please help.
Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.

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

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.