Mike, an experienced bricklayer, can build a wall in 2 hours, while his son, who is learning, can do the job in 4 hours. How long does it take for them to build a wall together.

Identify the translation rule on a coordinate plane that verifies that square a(-4, 3), b(-4, 8), c(-9, 3), d(-9, 8) and square a'(-3, 2), b'(-3, 7), c'(-8, 2), d'(-8, 7) are congruent.

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

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?