Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Which best explains why this triangle is or is not a right triangle?

∆red ≅ ∆ by rule will give brainiest if possible

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account