Write an algebraic inequality for the problem, then solve it to answer the question.
To rent a car, a rental car agency charges a $50 flat fee plus $20 per day.
For how many days can the car be rented so the cost is no more than $250

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Shannon drove for 540 minutes. if she traveled 65 miles per hour, how many total miles did she travel?

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle. what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle. what is the measure of angle a? enter your answer in the box. m∠a= 3.)quadrilateral abcd is inscribed in this circle. what is the measure of angle b? enter your answer in the box. m∠b= °4.)quadrilateral abcd is inscribed in this circle. what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle. what is the measure of angle c? enter your answer in the box.°