Answer:
A.
Step-by-step explanation:
If you substitute each answer that is below 18, you will get an answer that is below 30 every time.
Answer:
40.5
Step-by-step explanation:
Basically use the formula 1//2(base1+base2)*height. So it would be 1/2(4.5+9)*6 which would simplify to 40.5.
Answer:
A
Step-by-step explanation:
Because 30+18=48, and 3(10+6)=48
10+6=16
3•16=48
644 is 80% of the regular price, so price=644/0.8 = 805 $
