Answer:
I believe the answer is

slope = 2/3x
y-intercept = 1
Step-by-step explanation:
Hope this helps!
Multiply 3 with 7.
3 * 7 = 21
The value of the gift card changed by -$21 dollars.
Step-by-step explanation:
The ratio's can be expressed as fractions and you may compare those.
In order to compare fractions you need to bring them into equal denominator.
8 and 9 have LCM of 8*9 = 72 since they have no common factors.
<u>The equivalent fractions with common denominator are:</u>
- 5/8 = 9*5/(9*8) = 45/72
- 7/9 = 8*7/(8*9) = 56/72
<u>Now we can compare the fractions:</u>
- 45/72 < 56/72, since 45 < 56
Answer: DC = 4
Step-by-step explanation: Because it is going 1 subtract everytime