PLS HELP In the diagram, the measures of 21 and 24 are 100°. The measures of 25
and 28 are 110°. Are lines cand d parallel?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

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”?