Answer:
40 tokens total
Step-by-step explanation:
2 tokens each time for playing a game
After 4 games: 2*4 = 8 tokens used.
so, 32(that are left) + 8(used) = 40 tokens total
Answer:
x=√2,-√2
Step-by-step explanation:
4x ≤ 12
x ≤ 3 <em>divided both sides by 4</em>
Graph: ←--------------------3 <em>(fill in the dot at 3 since it is "equal to")</em>
Interval Notation: (-∞, 3]
Answer: x ≤ 3
Each book is 2.4cm thick; that means if you're stacking books on top of each other, that is, on their sides, each book will be 2.4 cm tall. multiply the length of each book (2.4cm) by 21 to figure out how tall 21 books together will be. 2.4 x 21 = 50.4. the shelf needs to be at least 50.4cm tall.