7 Setting 3 equal to which ratio would result in a valid proportion?
9
49
18
42
织但

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 two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75