Two angles are complementary. if one angle measures 71°, what is the measure of the second angle? a. 109° b. 19° c. 289° d. 142°

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t