Answer:
C, D, E
Step-by-step explanation:
C: simplify the expression
D: rewriting the expression
E: use distributive property to simplify
A rational number is a number, which can be expressed as a fraction. Since 3 can be expressed as 3=31=62=124 and so on, it is a rational number
X=2+√42 , hope that is helpful .
Answer:
3
Step-by-step explanation:
First, simplify (-5) - (-10).
-5 + 10 = 5
So, 15 divided by 5 is 3
Answer: They were marching for 32 minutes.
Step-by-step explanation: If you multiply the 4/5 times by 60 minutes (1 hour), then you will get 48 minutes. 48 minutes is the time of the band practice. Once you get that, then multiply that by 2/3 to get the amount of minutes marching. Once you multiply 2/3*48, you will get 32, which is how many minutes they were marching during band practice.