Convert the angle −4.5 radians to degrees, rounding to the nearest 10th

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

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Line a is parallel to line b, m2=4x+44, and m6=6x+36. find the value of x.