Find the sum of the series which is given by, (1) + (2+3) + (4+5+6) + (7+8+9+10) + . . . upto n terms.

Here each expression in the paranthesis needs is to be supposed as a single term of series.

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Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Hello, i need compare km^2 and km. what's difference in this?