At telepower plus, long-distance phone calls to china cost $0.59 for the first minute and $0.25 for each additional minute plus an additional roaming charge of $2.50. if the total charge of a call to beijing was $11.84, how long did the call last?

13.46

step-by-step explanation:

16.80 x .20 = 13.46

14

step-by-step explanation:

14

shell's the art director at her local community center. she paid $10 and for each child that attends she earns $4.

for each child she ears $4 that is the slope m = 4

she paid $10, that is the initial amount paid. so 10 is the y intercept b

m =4   and b = 10

y intercept is 10 so the point is (0,10)

we start graph from y intercept (0,10)

slope = 4 . we know slope = rise / run

slope = 4   or 4/1   are same

rise = 4   and run = 1

for rise we move 4 units up and for run we move 1 unit to the right

the graph is attached below

x axis is the number of child she attends

y axis is the amount   she earns