Mark makes a pattern that starts with 5 and uses the rule “subtract 1, and then multiply by 3.” Which expression can be used to find the third number in Mark’s pattern? A. 5−1⋅3−1⋅3

B. 3(5−1)+3(5−1)

C. 3[3(5)−1]

D. 3[3(5−1)−1]

Choose one correct answer.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

If you answer 2+2 you will get over 80 points

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8