The area of a triangle is (base*height)/2
Therefore: 12*10=120/2=60. Since there are three triangles then you multiply 60 by three. 60*3=180
Since the triangle in the middle is equilateral the height is 10. (10*10)/2=50
180+50=230
The answer is 230 inches²
Chester rode his scooter for 3 hours because since 30 miles is 1 hour multiply that by 3 and you will get your 3 hours
Step-by-step explanation:

Answer:
(-2 , -8)
Step-by-step explanation:
-2v = (-2 , -8)
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