Answer:
7a+28b=21
Step-by-step explanation:
7×a=7a
7×-3= -21
7×+4b=+28b
so....
7a-21+28b=0
7a+28b=21
Step-by-step explanation:
What type of line the picture represent
Answer:
The distribution of multiple groups can be compared by analyzing the histogram of two data. The histogram analysis of multiple groups can be compared and analyzed by observing the following features of histograms. Shape: whether the shapes of distribution are alike or different from each other.
Step-by-step explanation:
Answer:
it either -1 or 5 but I'm pretty sure it's -1
Answer: 6i
Step-by-step explanation:
