C = number of parents
c+9 = number of children
2c+9=25
2c=16
c=8
8 parents, 17 children
"17 less than" implies subtraction of the product of 3 and m, so the equation would be, if solving for x:
x=3m-17
Answer:
Step-by-step explanation:
Volume = 1/3(area of triangular base)height
To find the triangular base we would use heron formula Area = square root (s-a)(s-b)(s-c)
S = (a+b+c)/2 = 2.6 + 2.6 + 2.6 )/2
Answer:
309.00 and Good luck with your test !
Answer
it would take 41 minutes to paint the wall