I need help on this please

Find the balance at the end of 4 years if 1000 is deposited at the rate of

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.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12