Brainliest answer awaits you +30 which system is equivalent to {3x^2 - 4y^2 = 25 {-6x^2 - 2y^2 = 11 a) 3x^2 - 4y^2 = 25 12x^2 + 4y^2 = 22 b) 3x^2 - 4y^2 = 25 -12x^2 + 4y^2 = 22 c) 6x^2 - 8y^2 = 25 -6x^2 - 2y^2 = 11 d) 6x^2 - 8y^2 = 50 -6x^2 - 2y^2 = 11

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation: