Answer:
The answer is 4
Step-by-step explanation:
2/3 x 6= 4
Answer 19:1
Work:
Students scoring above 80 -
9+18+72+15= 114
Students score exactly 80-
6
114/6 = 19
19 students scored above 80 for every 1 student that scored exactly 80.
Answer:
Standard form: 
Leading coefficient: 1
Step-by-step explanation:

The leading coefficient is 1 because the leading term is
.
Answer:
A, -475ft
Step-by-step explanation:
A triangle can be drawn with exactly one acute angle is false (assuming the triangle is drawn on a 2-dimensional plane).