9(n+7) = 18(n+1)
9n + 63 = 18n + 18
9n = 45
n = 5
answer
n = 5
A. 7x
B. 8x-1
C. 6x+12
D. 3x +4
E. 13x-7
Well, it depends on what he's doing. Is he walking, jogging, or running? If he walked at a normal pace for an hour he would burn 415calories.
Answer:
area is equal to 198 cm^2
Step-by-step explanation:
the height h of the left triangle can be obtained by
Pytagoras theorem:

the, the area of the left triangle is

the area of the right triangle is

and the area of the rectangle in the middle is

Por tanto, el area total sera
