If y=45 and x=75
what is 5x+4y=

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis