What is 18 +18 because of the fact that i am to lazy to get a calculator on my phone so plz just do it for me

Can some one explain this i got sent this. is this a threat i’m scared

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next

Atheme park has a tram that goes around the 2.5-mile perimeter of the park in 10 minutes. the equation s • (16 1 6 ) = 2.5 gives the speed of the tram. what exactly does s represent?