Which of the following is an arithmetic sequence? 0, 2, 4, 6, ...
1, 2, 4, 8, ...
1, 4, 8, 13, ...

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

The longer leg of a 30-60-90 trangle is 18

Which is the scale factor proportion for the enlargement shown?