Answer:
Step-by-step explanation:
the first one
Yes it is a function any single value of x has only one value of y
Answer: 60 mph
Step-by-step explanation:
300+120+420=840
840/14=60
Answer:
x = 105°
Step-by-step explanation:
Question :

You can use cross multiplication to solve this.
Let us solve now

12 × x = 35 × 36
12x = 1260
Divide both sides by 12.
x = 105°
Hope this helps you :-)