When Joanne checked her work by substituting the value of the variable back into the equation, she got an answer
of 12 34 = 12 33 Explain why Joanne could have gotten
the answer correct even though she did not get a true
statement when she checked her work

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Need solving this second acceleration problem.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?