Which rate is the lowest price?

$6.20 for 4
$5.50 for 5
$5.00 for 4
$1.15 each

i dont know i just need points

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation:

step-by-step explanation:

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.