Need help on number 4) and 5) please show work this is due tmr need help ASAP

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

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?

Which of the following tables represents exponential functions?