Gustavo was asked to generate several expressions that would be equivalent to the one below. For each of his expressions determine whether they are in fact equivalent. Select all that apply. 6x+9x-18y

A.3(2x+3x-6y)
b.3xy(5-6)
c. y(15x-18)
d.3(5x-6y)​

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)