Answer: A
Step-by-step explanation: 3(x-1) becomes 3x -3 ≤ 4x. Put all like variables on the same side, meaning you'll subtract 3x from both sides giving you -3 ≤ x. You can flip the equation around to make it look exactly like x ≥ -3
Answer:
I dont know
Step-by-step explanation:
Answer:14
Step-by-step explanation:
There are 16 ways to arrange the row so that at least 3 girls always sit next to each other.