Convert the angle to radians. Leave as a multiple of (pi) 390°

A. 13(pi)/5
B. 13(pi)/12
C. 13(pi)/3
D. 13(pi)/6

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5