A constant in algebra is a number on its own or a letter of the alphabet that can stand to represent a fixed number.
Step-by-step explanation:
For example ;
3x+5=11
in this equation
3 is the coefficient
x is a variable
+ is the operator
5 is a constant
11 is a constant
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A constant ;brainly.com/question/13225486
Keywords ; non-example, constant
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Protractor you should get one at the start of a school year for algebra or normal mathematics.
The exponential regression equation in general has form 
The attached graph shows the exponential curve that best fits given data. From the graph it is seen that

then the exponential function is

When x=15,

Answer: 147
Answer:
B.
Step-by-step explanation:
I think
82% of 50, 170% of 30, & 65% of 80