Adam writes 10+8=18 on the board. maria wants to use the commutative property of addition to rewrite item adams addition sentence. what number sentence should maria write.

Consider the function f(x)=-5x+3 what is f(-2)

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

State one method by which you can recognize a perfect square trinomial.