Ria says that that if you multiply a number by 10 , the answer would be smaller than the −4 answer you find when you multiply the number by 10 .Is Ria correct? Give an example to −5
show your answer is true.

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9