. Joel was given instructions to observe, measure and grade this sprinkler (see Figure 1). Holes need to be spaced 15mm apart, but the company can accept a 1mm allowance either way. Joel left his notes highlighting sections A and B. Examine Figure 1 and tell what you think your measurements of sections A and B would be (don’t use a ruler). Explain why you gave the answers you did.

Answer this question only if you know the answer! 30 points and

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

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