Answer:
12
Step-by-step explanation:
6 + 7n = 90
n = number of book reports
6 + 7n = 90
7n = 84
n = 12
12 book reports
Answer:
3.3
Step-by-step explanation:
The answer is 7. the work is shown in the picture provided.
Answer:
34
Step-by-step explanation:
34 shows up 3 times, and thus, by definition of "mode," is the mode here.
Answer:
Step-by-step explanation:
The area of a triangle is
A=bh/2 where b=base and h=height. So we first have to solve for h
8^2+h^2=12^2
h^2=12^2-8^2
h^2=144-64
h^2=80
h=(80)^(1/2), now we can find the area
A=8(80^(1/2))/2
A=4(80^(1/2)
A=35.78cm
