Answer:
The first picture
Step-by-step explanation:
Its the only one that has the line x=1
Answer:
y=6x+25
Step-by-step explanation:
y will be the whole cost. 6 is how many sessions you have and x is the cost of each of those sessions. The one time introduction fee is 25. you would add 25 plus 6 times the cost of sessions (x) and you would get your answer (y).
Answer:
3+16 divided by 4 is 4.75
4×7-2×6..... is5.33
168
according to mid point theorem:
Bf=1/2CE
=45