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Srry I been gone I been busy doin work at home so winner❣ have fun love you guys​

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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 is the area of the triangle 10 13 12