To graph the equation 2x + 5y = 10, zeplyn draws a line through the points (5, 0) and (0, 2). what is the slope of the line represented by 2x + 5y = 10?

What kinds of numbers have an odd number of factors?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

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.