9. A math teacher built a scale model of his classroom to ensure his students were equal distance apart. The scale for the model is 2 inches represents 15 feet.
What is the length of the classroom in feet if the scale model length is 3 inches?
Record your answer in the boxes below. Be sure to include the correct place value.

With both problems. a.s.a.p directions on photo ^

M∠abc=138° and m∠def=31° . which statement is true about ∠abc and ∠def ? a: the angles are neither complementary nor supplementary. b: the angles are complementary. c: the angles are supplementary.

Which two properties of equality could zoe use to finish solving for x? the equation is 3x - 4 = -10 for x so a either the addition or subtraction property of equalityb ether the multiplication or division property of equality c ether the addition or division property of equality d ether the subtraction or division property of equality just a simple a b c or d plz.