The side length for the equilateral triangle is 8-3y and the hight is 12 what is the area

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.

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

How do you solving the solution of each system using elimination?