At the surf shop, a surfboard costs $122. If Teddy has a coupon for 15%, what is the discount amount?

$103.70

Step-by-step explanation:

step 1) 122 multiplied by 15% is 18.3

step 2) 122 minus 18.3 is 103.70.

Therfore, the discount amount is $103.70

Hope this helped! :D

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.