Answer:
C or d
Step-by-step explanation:
Answer:
A system of two equations can be classified as follows
Step-by-step explanation:
If the slopes are the same but the y-intercepts are different, the system has no solution. If the slopes are different, the system has one solution. If the slopes are the same and the y-intercepts are the same, the system has infinitely many solutions.
M+(m+15)=55
2m+15=55 (subtract 15)
2m=40 (divide by 2)
m=20
Michael has 20 cards
Answer:
The expression is negative
Step-by-step explanation:
11/-3 is negative
-11/-3 is positive
negative + positive or positive + negative = negative