If there are 45000 seats and 5/8 of them are used how many are left

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

If m_b=mzd= 43, find mzc so that quadrilateral abcd is a parallelogram o 86 137 o 129 43 description