Could somebody help me please

14494

Step-by-step explanation:

if it said above sea level it is positive and if it is below it it negive

14.494

Step-by-step explanation:

Above sea level means that it's not underwater, or below. Because she's above, it's going to be a positive number. So then the answer remains the same. Though if it were BELOW sea level it would be negative.

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^