DETERMINA EL VALOR NUMERICO DE LAS SIGUIENTES EXPRESIONES ALGEBRAICAS PARA X :-1 ; Y : 1/3 ; Z : -1/2 A.4 X a la 2 z + 1/2 xy a la 2 b.- 3/2 x a la 3 y a la 2 + 2 x a la 2 z a la 2 - 1/4

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22