Find the H. C.F of these numbers by continued method 390,205,125

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?

What is the range? can’t seem to find it out

Which table shows a proportional relationship between miles traveled and gas used?