Find an equation of the tangent line to the curve at the given point.
y = 4e^x + x, (0, 4)

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

In the diagram, gef and hef are congruent. what is the value of x

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.