Answer:
y=1
Step-by-step explanation:
Answer:
Step-by-step explanation: It’s C thank me later
right angle because its always perpendicular to the floor
Answer:
1/5 or 0.2 i hope this helped you
Answer:

Variable is a symbol that represents a quantity in a mathematical expression, as used in many sciences. Variable (research), a logical set of attributes. Variable star, a type of astronomical star.

A constant, sometimes also called a "mathematical constant," is any well-defined real number which is significantly interesting in some way. A function, equation, etc., is said to "be constant" (or be a constant function) if it always assumes the same value independent of how its parameters are varied.