What is the following???? I don't know and can't figure them out??? Can someone help me?? hurry?
A. 4 2/3 x 3/4 -7/12 =
B. 137 5/7 - 16 1/14 =
C. 4/5 + 3 1/10 - 14/25
D. xyz + yz -xy if x = 20, y = 1/5, and z = 5
E.use two unit multipliers to convert 3,059,000 miles to inches
F. 3 1/18 + 9 7/20 + 12 5/24
I am sooooo sorry but I just don't know this can you help me? I only have 10 minutes??????