A) The ratio 20 minutes to 1 hour can be written in the form 1:n. Find the value of n.
n =
b) The scale on a map is 1 : 25000
How many kilometers on the ground is represented by 9 cm on the map?

There is no graph but what i can say is that 1 is the slope and that -2 is the y- intercept

Equatorial triangle and obtuce angle

$250 deductible means jane must pay the first $250 of her bill. so the insurance company paid = (80% of bill) - deductible = (0.8 x $2550) - $250 = $2040 - $250 = $1790 and jane's cost is = (bill) - (insurance payment) = $2550 - $1790 = $760