You must explain the steps taken to get the correct answer. -3/8x-4/12=1/8

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

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.

What does independent variable and dependent variable mean in math?