Number of matchsticks required is 2. Rule which matchstick pattern is 2 x n.
Answer:
x = 32
Step-by-step explanation:
Each angle of the equilateral triangle is 60°.
(2x -4)° = 60°
x -2 = 30 . . . . . . divide by 2°
x = 32
__
5y° = 60°
y = 12 . . . . . . . . . divide by 5°
Answer:
-2
Step-by-step explanation:
36.89 total divided by the 8.6 gallons he bought = 4.2 so the price per gallon would be $4.20