What is the first step in solving this system of equations using elimination? 3
y = -x+3
4
2x - 4y = 6
A. Write the second equation in slope-intercept form.
B. Subtract 2x from both sides of the second equation.
C. Write the first equation in standard form.
D. Multiply the first equation by 3.
Please select the best answer from the choices provided

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b