What is the equation in standard form on the line that passes through the point (1, 24) and has a slope of -0.6?
a) 3x + 5y = 125
b) 3x + 5y + 77
c) 3x + 5y = 123
d) 3x + 5y = 115

What is the length of bc ? enter your answer in the box.bc =

Which expression is equivalent to? assume x > 0 and y > 0.

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).