Answer:
angle 7 is 26 degrees
Step-by-step explanation:
180 - 154 = 26
25 because 4(8)-7 = 32-7 = 25
D=# of tickets sold at the door
a=# of tickets sold in advance
3a+5d=2630
d=a+30
3a+5(a+30)=2630
8a+150=2630
8a=2480
a=310
d=340
310 tickets were sold in advance and 340 tickets were sold at the door.
Answer: B
Step-by-step explanation:
(-3, -1) and (4, 5) are the points given
Slope formula: 

