Answer:
7 and 14
Step-by-step explanation:
1) in one minute for first wiil be 1/20
the other 1/30, it means that A paint in one minute 1/20 and B 1/30 then A+B in one minute 1/20 + 1/30 = 3+2/60 = 5 / 60, 5/60 = 1/12
if in one min they make 1/12 then in 12 min they paint all the wall
Answer:
It is ................................................................. 1
Step-by-step explanation:
The lines are parallel, because they have the same gradient but are just in different positions ie. y = x-9.
Trapazoid is 4 eaqul sides 2 oppistes side parrel, no right angleAnswer here