Answer:
(51*31)/1 = 1581
Step-by-step explanation:
The solution is
and 
Step-by-step explanation:
The expression is 
Multiplying the term
by
, we get,

Adding both sides by 1,

Taking factor, we get,

Equating the factors to 0,
and 
Thus, the smaller value is 
The solution is
and 
Answer/Step-by-step explanation:
From the middle go left, stop between -4 and -5, then go up and stop between 2 and 3,
Answer:
The number of questions he finished will be q.
37 + q = 78
rewrite this
78 - 36 = q
solve
78 - 36 = 42