Δabc is a right angle. if ab = 3 and ac = 7, find bc? leave your answer in simplest radical form.
a) 2√13
b) 4√3
c) 2√3
d) √58

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Drag each sequence of transformations to the correct location on the table. classify the sequences of transformations based on whether or not they prove the congruency of the shapes by mapping shape i onto shape ii. plz i'll rate u 5 stars need this done for a mastery test

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.