Answer:
m=6
Step-by-step explanation:
-3m+4m=6
m=6
Answer:
x+2/5x
Step-by-step explanation:
x%of 40 is 2/5x
...40 increased by x% of it self = x+2/5x
Suppose there are 19x students, 1x teachers
19x+1x=400
20x=400
x=20
there are 20 teachers and 380 students.
Answer:
<h2>C) 132 sq. cm</h2>
Step-by-step explanation:
We must calculate the lateral area of a cylinder.
The formula is:

r - radius
H - height
We have H = 6 cm and r = 3.5.
Substitute:

Use 

The answer is 29. i am 100 percent sure.