Just do 27/39 to find how much 27 is of 39, and then subtract that from 100 to get the percentage of discount.
27/39 is about 0.69
So the rate of discount is about 0.31
Hope this helps!
The exponent indicates how many times the base is used as a factor.
Step-by-step explanation:
<B is the right angle
<A is acute
<C is acute
<D is obtuse
Answer:
7
