Let a and b be store A and store B, respectively. Then:
3a+b=63
5a+4b=140
So
12a+4b=252
5a+4b=140
7a=112
a=16
b=15
☺☺☺☺
Answer:
Zero is a number that can be equal to its opposite.
So, the given equation has solution for which LHS=RHS=0.
Step-by-step explanation:
The answer to the equation is 2
The '68-95-99.7' rule says
-About 68% of values fall within one standard deviation of the mean.
-About 95% of the values fall within two standard deviations from the mean.
-Almost all of the values — about 99.7% — fall within three standard deviations from the mean.
Here 
Therefore, the probability
The required probability
Don't understand this either
Answer:
1.end point continues in one direction
2. point were two line segemnt, lines, rays meet
3. measures 90 degrees
4. greater than 90 degrees
5. measures 180 degrees
6. position in space
7. flat surface
Step-by-step explanation:
