Answer:
A variable is a symbol that represents an unknown or changeable number, typically a letter such as x, y, and z.
Step-by-step explanation:
a symbol, usually a letter, that represents an unknown quantity is called x.
20.
When x = 2
f(x= 3(2)^3 + 2^2 - 8
= 24 + 4 - 8
= 20.
Answer: $1.13
$1.50
There are 8 pints in a gallon so divide 12 and 8 to find the cost of 1 pint
Reduce the expression, if possible, by cancelling the common factors.
Answer:the answer is 14
