It can increase business profits
Replace n with 13 and simplify
an = 84+(n-1)*(-6)
a13 = 84+(13-1)*(-6)
a13 = 84+(12)*(-6)
a13 = 84+(-72)
a13 = 84-72
a13 = 12
Answer: Choice A) 12
Scale of drawing = 3.5 inches by 2 inches
Actual bathroom = (3.5 x 20) inches by (2 x 20) inches = 70 inches by 40 inches = 70/12 feet by 40/12 feet = 5.83 feet by 3.33 feet
Area of actual bathroom = 5.83 x 3.33 = 19ft^2
Answer:
2
Step-by-step explanation:
Multiply then add
