Find the value of r in the triangle shown below.

(A) Square root of 65

Step-by-step explanation:

We can use Pythagorean Theorem for this, as a^2 + b^2 = c^2, that means:

4^2 + 7^2 = x^2, so 16 + 49 = x^2, add 16 and 49 and you get 65.  Remember though, x was squared, so we have to find the square root of 65. Making it the square root of 65 or (A) the answer.

$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