-3(x-5)=45
distribute
-3x+15 = 45
subtract 15 from each side
-3x = 30
divide by -3
x = -10
Answer:
320√2
Step-by-step explanation:
4 * 8√200
= 4 * 8√2√100
= 32 * √2 * 10
= 320√2
He traveled 40 feet per second
