Please help. What is the solution for x in the equation?

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers