Which value or values for the variable x from the set below will make 4.5+ 1.2x2 10 = x true?
{3, 4, 5, 6}
1.
only 3
2.
3 and 4
3.
3, 4, and 5
4. all values in the set

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

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?