In 2012, the population of New Zealand was approximately 4.43
million people. In the same year, the population of Belgium was
approximately 11.14 million people. In 2012, how many more people lived
in Belgium than in New Zealand? Express your answer using scientific
notation.

Using the graph below, select all statements that are true. a. f(0.6)=0 b. f(-3.2)=-3 c. f(5.1)=5 d. this is the graph of the greatest integer function. e. this graph is one-to-one.

Need on this one asap im almost done with this subject

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.