Using the keys above, enter an expression equivalent to (-7x^2+4x-3)+(6x-15) using the fewest possible terms.

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

This is different from the first one can someone me

If you could answer these your a life saver