I NEED HELP ASAP DUE MORNING AND REPORT CONFERENCE TMM

Does anyone know of a quizlet or something for edmentrum /plato algebra 1

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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.