Answer:
y = 5.6
Step-by-step explanation:
Use Sine
Sine = 
Sine 45 = 
Sine of 18 is 0.309
0.309 = 
Multiply 18 on both sides
0.309 x 18 =
x 18
5.562 = y
Round to the nearest tenth:
5.562 = 5.6
The circumference of a circle is pi times D. So, 94.2/pi = 29.98 or about 30 in
8 is the answer
Ignore this part, Brainly wants more than 20 characters
9. I think Austin has more rainfall.
10. Both cities have unguessable rainfalls.
11. I predict the rainfall will continue going high, then low, then high, then low.