3y^2 and -3/4y^2
5x and 2/3x
12x^2
Less by far because 3.5 cups would be less than half

First, solve the parentheses:

Next, the exponential terms

Solve the multiplication:

Add and subtract:
You're basically told that Lin has traveled 20% of 75. Since 20% is one fifth, she has traveled 75/5=15 miles so far.
Answer:
0.45
Step-by-step explanation:
Step 1:

Step 2:
8 · x = 0.3 · 12
8x = 3.6
Last Step: Divide both sides by 8 to isolate the value x