Find the slope between points 2.3 and 2.-2

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?

What is the simplified form of square root of 400 to the 100th power ?

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no