Fill in the blank. The area of the sector of the small circle can be found by using the formula:

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

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)