4. find the measures of the complement and the supplement of an angle with a measure of 60°. (1 point) complement, 30°; supplement, 120° complement, 330°; supplement, 120° complement, 160°; supplement, 160° complement, 220°; supplement, 70°

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Find the area of the triangle shown 3 by 6

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?