Answers:
Option two, 5
(2
) = 10
and option 4, 5
(6
) = 30![x^{7}](https://tex.z-dn.net/?f=x%5E%7B7%7D)
Step-by-step explanation:
O1 + O3 = incorrect, the powers have been multiplied together. Laws of indices suggest that if you are multiplying powers together, you must add them, not do 4 x 5 or 2 x 2.
Please remember:
2y squared x 3y cubed = 6y to the power 5
The answer is D5x4 is 20 +20 from already on his MP3 player =40
Simplify and get y=1/2x+4
1/2x=slope. 4= y-intercept
9am to 4 pm is 7 hour and you use the total cost divid by hours you can get you answer which is 4.12 per hour