Answer:
1. a =3(2a) +5 and a= 6a+5
2. 47=3(2times 7) +5 and 47 =6 time 7 plus 5
Step-by-step explanation:
Answer:c
Step-by-step explanation:
Given

and 
m of n is given by replacing x in
by x-3

can take any value of x except x=4 because at x=4 function is not defined
and
is also not defined for x=4 and can take any value of x
Answer:
67 degrees
Step-by-step explanation:
Answer:
90 packets
Step-by-step explanation:
Subtract the weight of the box.
33-1.5=31.5
There are 31.5kg of packets.
Convert it to g.
31500g
Divide it by the weight of one packet.
31500/350=90
The box holds 90 packets.
Answer:
⅗
Step-by-step explanation:
12÷20 = ⅗
since the ratio is proportional
there for the ratio is still ⅗