Given: p || q, and r || s. prove: ∠1 and ∠14 are supplementary angles. what is the next step in the proof? choose the most logical approach.

Simplify the expression. enter the correct answer.

In the 30-60-90 triangle below side s has a length of and side r has a length

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais