Determine whether the ordered pairs given are solutions of the
linear inequality in two variables.

x - y > 3; (2, -1), (5,1)

30 is 6 multiplied by a number y as a equation

Which triangles area would be calculated using the trigonometric area formula

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.