Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.
THe amplitude is half of the distance from the highest and lowest phase of the wave..
4-(-1)=5
0.5*5=2.5
amp=2.5 units
Answer:
-17x-3
Step-by-step explanation:
Distribute the negative to the second part of the equation. remove the parenthesis from the first part and then add like values.
-4x-2-13x-1
-4x-13x-2-1
-17x-3
I think its B.
Thanks is welcomed.
Answer:
7x+3
Step-by-step explanation:
-5x+6x+14+12x-20-6x+9
combine like terms
7x+3