Simplify huury plzzz

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.