Answer:
1.) 7x+5y
2.)-19m+14r
3.)22b+40c
4.)10x+25
5.)7m+7
Step-by-step explanation:
ez
-4 isn't a real number because there is no square root of -4. However, there is a cube root of -8, because -2 * -2 * -2 = -8.
Answer:
4m
Step-by-step explanation:
m+m+m+m
There is an implied 1 in front of each term
1m+1m+1m+1m
Factor out the m
(1+1+1+1)m
4m
Answer:
B
Step-by-step explanation:
Answer:
2.21
Step-by-step explanation: