Find the percent change (Round to the nearest tenth)
Original Price $12
Sale Price $10

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.

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x