Write the word sentence as an inequality 3 less than a number t is at most 7

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?

Ihave trouble finding the nth term of a linear sequence

Which function has the domain x> -11