The expected profit would be $5 because you already spent $6
Linear regression line y=2.1x+130 predicts sales based on the money spent on advertising.
Linear regression represents the relationship between two variables. the value of y depends on the value of x.
x represents the dollars spent in advertising and y represents the company sales in dollars.
We need to find out sales y when $150 spends on advertising.
Plug in 150 for x and find out y
y = 2.1 x + 130
y = 2.1 (150) + 130
y= 445
The company expects $445 in sales
Answer:

Step-by-step explanation:

Simplify:

Move 5c to the other side:

Divide bother sides with AC:

Simplify:

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Let's simplify step-by-step.


Answer : 
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Answer:
12.
Step-by-step explanation:
The number of zeros to an equation is the highest power of the polynomial.
A quadratic equation whose highest degree is 2, has two solutions.
The equation f(x) =
will have 12 solutions (or zeroes) since the highest degree is 12.