Guysss i need . what's the degree of a 90 degree angle

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting