25% 6 divided by 24 will give you the percentage of copper in the bar
Answer:
50j
Step-by-step explanation:
workdone = force x distance
workdone = 20x2.5
50j
7a^3(6a^2 + a)^2 - 4a^6
All we have to do here is basically add and subtract exponents!
(6a^2 + a)^2 = 36a^4 + a^2
7a^3(36a^4 + a^2) - 4a^6
252a^7 + 7a^5 - 4a^6
Answer is C.
12 feet is the answer. 4 times 3 is 12.
