Find the slope of the line through each pair of points. Show work please (7,9), (-2, 19)

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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?

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase