The answer to this questions is 70kg.
Answer is 7
plug in 4 for x in the g(x) equation and get 3, plug in 2 for x in the h(x) equation and get -4. then, 3-(-4)=7 because two negatives equal a positive
Answer:rises slowly floats steadily loses altitude rises auickly
Step-by-step explanation:
I did the question it's not that hard
X + y = 51
x - y =15
2x = 66
x = 33
33 + y = 51
y = 18
the x and y intercept would be
x= (-4,0) y=(0,-3)