Answer:
D
Step-by-step explanation:
First we need to figure out how many people are going on the field trip
if each class has 27 people going and there are 6 classes, 6*27=162
162 ppl are going. If 3 buses can hold 48 ppl then 3*48=144
3 buses are not enough, if we were to bring in one more bus 4*48=192
there would be enough place for everyone
Answer:
C.
<em><u>hope this helps :)</u></em>
The tangent function is given by:

Since the angle is in the 3rd quadrant the opposite side and the adjacent side are negative. So, the cotangent function is given by:

Answer:
12/5
A rhombus is a square when the angles are at 90°.
-4/9 x 5/8 = -20/72 or -5/18