PLZ HURRY I'M GOING TO GET A LOT OF QUESTION S

What is the surface area of the composite figure shown? 107 square feet 172 square feet 279 square feet 321 square feet

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?

If a is a nonzero real number then the reciprocal of a is

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9