What does these symbols mean on a measuring tape' &"​

Many tape measures add red numbers (or some other graphical standout) every 16-inches, a very common spacing for studs in house framing. ... The black diamonds on the tape measure represent that spacing. The first black diamond is at 19.2” and after that black diamonds appear at 38.4”, 57.6”, 76.8” and 96”, or 8-feet. -G00gle

hope that helped- sorry if not T^T

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.

answercold,maybe nuclear war;