Answer:
1/7
Step-by-step explanation:
The answer should be 0.5x^4+12.5
Answer:

Step-by-step explanation:
a is a¹ and you have a^7 in multiplication you add the exponents. If you were to have a numerical value, you would replace a and calculate. If a = -5 then: a^8 =

which is = 390 625
I believe the answer is x=2
Hope this helps! :D
Answer:
Step-by-step explanation:
Mr Thompson wants to protect his garage by installing a flood barrier. He connects 2 barriers side by side. The length of each flood barrier is 9 ft while the height of each barrier is 2 ft. The barriers are rectangular in shape. The area of each rectangular barrier is expressed as length × height.
Therefore
Area of each barrier is 9 × 2 = 18 ft^2
The combined area of the barriers would be
18 × 2 = 36 ft^2