What expression can be used to estimate 868÷28

Which function has the smallest y-intercept value

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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