Answer:
a=−1/2, 3
3Step-by-step explanation:
To fond the area of a trapezoid, add the top and bottom together, divide that by 2, than multiply by the height.
Area = (8+12)/2 = 20/2 = 10
10 x 9 = 90 square centimeters.
Its a 2 hour difference between both of those speed limits. 13 hours for the old speed limit, and 11 for the current speed limit. Hope i could help!
Answer:
400 guitars
Step-by-step explanation:
200+200=400