19. Evaluate the expression 93.
b. 81
c.729
a 27
d.366
20. If f=2
g=5
b.7
and h=6, What is the value of g + FZ?
c. 12
d. 18
a 9
21. What is the value of h3 - g??
a. 181
b.211
c. 111
d. 191
22. Simplify the expression 27-9-3x (4 x 1)
a. 18 b.15
c. 24
d. 25
23. Simplify the expression 4 x (27 + 32)
a. 72 b. 12 c. 9 d. 15​