If 3 pounds of grass seed cover 403 square feet, how many pounds are needed for 5642 square feet?

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).

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?