Answer:
92
Step-by-step explanation:
You do (9x8) + (5x4). 9x8 = 72 and 5x4=20. add 72 and 20 and get 92!
Answer:
is this a question
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
A + b = 15 ..... eq 1
a – b = 12 ...... eq 2
So a = 15 – b
Substitute in eq 2 :
15 – b – b = 12
15 – 2b = 12
–2b = 12 – 15
b = 1.5
So a = 15 – 3/2 = 13.5
4ab = 4 x 13.5 x 1.5 = 81
