Suppose you make a 4-minute local call using a calling card and are charged 7.6 cents. The post of a local call varies directly with the length of
the call. How much more will it Cost to make a 30-minute local call?
• Which quantity is the dependent quantity?
• How does the word "more" affect the method needed to solve the problem?

answer:

sometimes

*i think

b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right

i believe the answer is 323 ft

step-by-step explanation:

1. supplementary angles

2. acd and bcd

step-by-step explanation: