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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Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

The probability brenda will recieve a telemarketing call is 15%. if she gets 20 calls a day, how many can she expect to be telemarketing calls?

[tex]a + (3a - 2b) - (4a - 3b)[/tex]whats the answer to this ? ?