They literally never even taught us this in class- what- anyways please help :’)

the 2nd one is true. the 3rd one is false because 5-4 is not 0. the 1st one is true

Step-by-step explanation:

..k :)

Step-by-step explanation:

to do this, just plug in the x values. for example, the first problem is true, because when you plug the 4 in for x, you get 4(4)=16. and 4 multiplied by 4 is true, so thats correct.

in conclusion i think these are you answers:

1) true

2) true

3) false

i hope this helped !!

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}