Finish solving the system of equations. x - 5y = 6 -x + 2y = -3 -3y = 3 What is the value of y? Substitute the value of y back into one of the original equations to find the value of x. What is the value of x?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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).

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle