Answer:
hope this helps
Step-by-step explanation:
part.1
13+9=22
5+18=23
22x23=506
½x5x13=32.5
9x5=45
½x9x18=81
506-32.5-45-81=347.5
Answer:93/2 or 46 1/2
15 1/2 ✖️3