Answer:
Step-by-step explanation:
78+78=156(80%) 78/2=39(20%) 156+39= 195 cookie boxes in total
Step-by-step explanation:
To do this we need to calculate the slope of each side. If we can show that the slopes of the opposite sides are the same, then the opposite sides are parallel. The slopes of the opposites were the same, so ABCD is a parallelogram.
Answer:
-1
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
You did not attach a picture, so I just assumed where the lengths of 15 and 39 were.