Answer:
negative reciprocals of each other
Answer:
Rational.
Step-by-step explanation:

Marina is taller because since Juan is 4 feet, he is 48 inches tall and Marina is 52 inches tall so Marina is taller than Juan.
Answer:
f(1) = 10
Step-by-step explanation:
Here you can just replace any x with 1.
f(1) = 9(1) - (1)2 + 3(1)
Answer:
60
Step-by-step explanation:
Google "Area of a trapezoid formula" and that will help you with this