Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle she wrote an equation to find the number of bottles she need to earn $100

what error did barbara make in writing the question?

1.25x+1.49=100

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Use the given information to determine the exact trigonometric value.