Can Someone Please Help me with this?

PA = 30.81

Step-by-step explanation:

Use the Pythagorean Theorem

18^2+25^2=949

Take the Square Root

= 30.805 = 30.81

PA = 30.81

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300

if x = 1, then the answer is 3.5