If Mr. Gauss's delicious bread uses 2 cups of whole-wheat flour for every 3 cups of all-purpose flour, what percent of the flour is whole-wheat?

40%

Step-by-step explanation:

2/5 of the bread is whole-wheat flour, and 2/5 is equivalent to 40%.

c. prove the lengths are the same.

step-by-step explanation:

you need to prove the segments are congruent. congruent segments have the same length. find the lengths of the segments using the distance formula, and compare them.

answer: c. prove the lengths are the same.

e) none of the above because the measure of angle cba is 101°