Each number is two times three less than the previous number.

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

Acircle has a circumference of 7.850 units. what is its radius?

See attachment below and find the equivalent of tan(∠qsr)