140 is the answer! hope it helped
Step-by-step explanation:
when means of more than two groups are to be compared, ANOVA is perferred
Let
y-------> number of books read during the month
x------> number of picture of a book
we know that
in this problem
for
calculate y
therefore
the answer is
The number of books read during the month is
Answer:
B: 1620cm2
Step-by-step explanation:
16×15×2+30×20