(x - 10) × 2
You have to multiply it by 2 so that you get the area
Answer:
aₙ = -15 + 10 * (n-1)
Step-by-step explanation:
aₙ = a₁ + (n-1)*d a₁: first term d: common difference
a₅ a₁ + 4d =25 .... (1)
a₁₁ a₁ + 10d = 85 ...(2)
(2) - (1) 6d = 60
d = 10
a₁ = -15
Formula: aₙ = -15 + 10 * (n-1)
A car traveled 140 miles in 2 hours. at this rate, how many miles will the car travel in 5 1/2 hours?
You just multiply
The greatest common factor is 9.
