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The coefficient is ___________________________ a. A number that is by itself in an expression b. A letter that stands for an unknown number in an expression c. The product of a number and letter in an expression d. The number that is in front of the variable in an expres

Respuesta :

Answer:

the answer is A

Step-by-step explanation:

Answer:

coefficients are the number when you multiply a number and a variable

Step-by-step explanation:

Coefficient: The numerical factor of a multiplication expression that contains a variable. Consider the expression in the figure above, 2x+4y−9 . In the first term, 2x , the coefficient is 2 : in the second term, 4y , the coefficient is 4 .