what the heck is wrong with that they keep taking literally all my points and stuff.. i hate this someone please help :((

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?