A restaurant offers a dinner special for $25 per person plus a $5-per- person tip. Which expressions represent the special? Select all the correc
answers.
HALP

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

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?