A sign roller coaster says you must be 40 inches tall to ride type the answers in the boxes below

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.