Which is larger : 1/4 or 1/2 explain how you know?

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Find the commission on a $590.00 sale if the commission is 15%.

Find two numbers if their sum is 91 and the ratio is 6: 7?