Answer:
3x^2
Step-by-step explanation:
3x^2 can be factored out of each
-6x^2 = 3x^2(-2)
21x^3 = 3x^2(7x)
Answer:
C.
Step-by-step explanation:
as 0.05 is 1/10 of a number, multiplying 0.05 by 10 will give you the number that when divided by 10 will give you 0.05. Hence just multiply 0.05 by 10 and you get 0.5.
Answer:
True
Step-by-step explanation:
Since a penny has head and tails, each has 1/2 chance to land on heads or tales, so 14*1/2=7, so true.
Answer:

Step-by-step explanation:
∛-64 = -4
![\sqrt[3]{m^{15}} =m^5](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7Bm%5E%7B15%7D%7D%20%3Dm%5E5)
∛n³ = <em>n</em>