Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



therefore

Part 2) we have
----> equation A
----> equation B
substitute equation B in equation A

Applying property of exponents



simplify

therefore

<span>B.
x-intercept: –3; y-intercept: 7</span>
$24.50*0.3 = $7.35
The answer is $7.35