Janet received the following grades in an accounting class at mcclenan community college: 65, 80, 70, 100, 75, and 90. the instructor said he would drop the lowest grade. after the lowest grade is dropped, what's janet's average? a. 84 b. 82 c. 83 d. 81

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°

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation: