Will mark if correct!

Use the Counting Principle to calculate the size the sample space. A yogurt shop sells 18 different flavors of yogurt. You go to the shop three times and randomly choose a flavor each time.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.

Describe how making an ‘and’ compound sentence effects your solution set