When an insect is feeding on a plant, which types of tissue are at work to protect the plant and help it heal from injury? dermal and collenchyma
parenchyma and collenchyma
vascular and dermal
ground and parenchyma

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

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step-by-step explanation:

you put in your equation

then it answeres it and show you step by step