(01.02 MC)Which statement best explains the value of 16 − (−3)? HELP ASAP PLS WILL GIVE BRAINLIEST TO THE FIRST ANSWER!!! :)

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Find the value of x. round the length to the nearest tenth