What is 3x? I’m confused because I know x is the variable. So let’s say x=30. Do I multiply it like 3 • 30 = 90?

3x=90

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?

Ineed on the last 8 questions for this homework i’m trying to get all this done by tuesday when i got to my level 5 teacher if i have passed my tabe