Which equation shows the relationship in the table?

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?