Multiply the binomials:
(3x + 4)(5x - 2)

Final answer
Option B is the final answer
Answer:
Smaller Angle : 36 degrees
Bigger Angle : 144 degrees
Step-by-step explanation:
So we can name the smaller angle x and the larger one 4x. We can add them and make the answer 180. x+4x=180, 5x=180, x=36
Smaller angle : x=36
Bigger Angle : 4x=36*4=144
Price of the shoes is let s to be shoe's price and f(s) total shoes:
.05s=f(s)
.05s=1
s= $20