The value of x is 60 degrees
Answer:

Step-by-step explanation:
Multiply
by 2.
Now we have this system of equations:
We can add the equations together to cancel out y.
Substitute x = 2 into the first equation and solve for y.
The solution to this system of equations is:
- or

6)
P of <span>Regular heptagon = 7a = 7 x 12 = 84
Area </span>of Regular heptagon = 1/2 P a
Area of Regular heptagon = 1/2 (84)(8)
Area of Regular heptagon = = 336
answer
B. 336
7)
P of Regular nonagon= 9a = 9 x 9 = 81
Area of Regular heptagon = 1/2 P a
Area of Regular heptagon = 1/2 (81)(16)
Area of Regular heptagon = = 648
answer
D. 648
Can you repost but with a photo
Answer:
X - 84.2
Step-by-step explanation:
Given that:
Amount spent per ticket = $21.05
Number of tickets = 4
The effect of the spending on the tourist bank account :
Let initial amount in his account = x
Change or effect on bank account after spending on 4 tickets :
X - (cost per ticket * number of tickets)
X - (21.05 * 4)
X - 84.2