There was a 20% decrease
48/60 × 100 = 80%
100 - 80 = 20%
<span> (3a - 4)</span>²
= (3a)² - 2*3a*4 + 4²
= 9a² - 24a + 16
Answer: • 6
• -4
•3
Step-by-step explanation:
34-5x+2(x-2)=15 1st get rid of () by distributing the 2.
34-5x+2x-4=15 Now collect like terms.
30-3x=15 Get -3x by itself by subtracting 30 in both sides.
-3x=-15 You want X by itself so divide by -3 on both sides.
x=5