Please explain me these Angles and Radian Measures

QUESTION 1 How many degrees are in 7 radians? O 120 O 180 O 270 O 330 QUESTION 2 Convert 450 into radians. O radians O radians radians radians QUESTION 3 Convert 135 into radians. radians A radians radians O 3x radians QUESTION 4 930 is equivalent to 6 radians. O TRUE FALSEQUESTION 5 Convert 8.25 radians into degrees. O 472.69 O 456.210 515.89. O 498.15 QUESTION 6 Convert 1 15 12 radians into degrees. O 160 O 165 O 170 O 175 QUESTION 7 Convert 13x 12 radians into degrees. O 200 O 205 O 190 O 195 QUESTION 8 The angle of 210 is equal to 7x radians. O TRUE O FALSE QUESTION 9 The angle of 135 is equal to 3x radians. O TRUE O FALSE\f