Answer:
The answer would be C < 2
49 would be in the next space after 42 because this sequence is counting by 7s
He gave away 9 (20 x (3/7) =9) so 21-9=12
The quotient rule is
d(u/v) = (u dv - v du) / u2
d(u/v) can written as
d( u (1/v) )
Using the product rule and chain rule
d( u (1/v)) = u d(1/v) + (1/v) du
= u (-1/v2) dv + (!/v) du
= (u dv - v du) / u2
Answer:
A triangle.
Step-by-step explanation: