4. Answer questions a and b according to the scatterplot: a $700 $600 $500 $400 Sales $300 $200 $100 $0 10 12 14 16 18 20 22 24 26 Temperature °C a) What type of correlation is occurring between temperature and the number of sales? b) Fill in the blanks with either increases" or "decreases" As the temperature the number of sales

Apipe of diameter 200 mm (constant) carrying water with an 5 mis and total head is density 1000 kg/m ) with velocity tpward slope. at a certain point, where the elevation is 5 m above a datum,the 21.5 m. a) determine the pressure of the pipe at 5m elevation. determine the pressure at elevation 10m (above same datum) if the of total head at 5m elevation.