Find the center, vertices, and foci of the ellipse with equation x^2/100+y^2/64 = 1.

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

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°

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?