Which of the following pieces of information could you use to conclude that trapezoid ABCD is similar to trapezoid WXYZ?
pls help !

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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”?

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the