Use what you know about tangent lines to circles to solve for x. You may need to check and see if your answer works in the context of the problem

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

The circumference of a circle is 5 pi cm. what is the area of the circle?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.