Evaluate each expression using order of operations

a.-4(-4+3)+2²

b.-3-3-)

c.-17+2(-)

d.(2+(-3)(+2(-6))

i need

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Write a function rule for  “the output is  5 less than the input.” let  x be the input and let  y  be the output.