Need help asap i don’t understand

Simplify the expression 10/11(22z) + (a+5) -1

Which of the following is true for the relation f(x)=2x^2+1

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.