Which polynomials are in standard form A.)5-2x or B.)x^4-8x^2-16 or C.)5x^3+4x^4-3x+1 or is it D.)none of the above

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re