The answer is B. First solve the parentheses. Then make a quadratic equation and solve from there.
There were 42 people at the conference
The equations are both the same with a slope of 2 and y-intercept of 3.
<h3>Solution to system of equation</h3>
A line is the distance between two points. Given the equations below;
2y - 4x = 6
y = 2x + 3
___________
y - 2x = 3
y = 2x + 3
The equations are both the same with a slope of 2 and y-intercept of 3. The graph of the equation is plotted below.
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120 cm=120 cm*(10 mm/1cm)=1200 mm,
Ratio: 1200 mm / 80 mm=15/1
Answer:
C. 15 to 1