What is the equation of a line parallel to the line y = 4x + 7 and passes through the point (3, 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).

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

What are two numbers that have a sum of 15