Kayla buys 5 candles for x dollars each and 5 candle holders for $3.50 each. Kayla spends a total of $27.50 for the candles and candle holders. Enter the cost, in dollars, of the cost of one candle

The cost of one candle is $2.

Step-by-step explanation:

First we know that 1 candle holder is $3.50 and Kayla buys 5 candle holders.  3.50 x 5= 17.50 we do this because we have to multiply the price of one candle holder by 5, we then get $17.50. We then subtract 17.50 from 27.50 and that leaves us with 10. So now we know that 5 candles cost $10.  we divide 10 by five and that leaves us with 2. So one candle cost $2.

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i

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step-by-step explanation: