Answer:
22.93
Step-by-step explanation:
B.2 over 9 comma text end text 3 over 5 comma text end text − 5 over 7
C.− 5 over 7 comma text end text 2 over 9 comma text end text 3 over 5
D.− 5 over 7 comma text end text 3 over 5 comma text end text 2 over 9
a) -7.5
b) -3
c) 2.5
d) 3