Answer:
D 64
Step-by-step explanation:
f(x) = 4^x
Let x = 3.
f(3) = 4^3
= 4*4*4
= 64
x=12
3x=2x+12
-2x from each side
Solution in given attachment.
1375
10*25+15*75 = 1375
3/4
4.
3pounds for $6.99
a.
1 pounds =$6.99/3=$2.33
b.
10 pounds =10×$2.33=$23.3
10.
area right triangle =1/2 bh=1/2 ×{50×30}=750mm²
