Nathan practices the piano 1316 minutes in 4 weeks. At what rate did she practice, in minutes per day?

What is the rule for reflection across the y axis

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.