एकजना मानिसले रु. 1 को 20 ओटाको दरले केही लिची किन्यो र फेरि रु. 1 को 30 ओटाको दरले त्यतिनै किन्यो । उसले ती दुबै थरीका लिची मिसाएर रु. 1 को 25 ओटाको दरले बेच्यो भने उसको नाफा वा नोक्सान प्रतिशतमा निकाल्नुहोस् । A man bought a certain number of lichee at 20 per rupee and an equal number at 30 per rupee. He mixed them and sold them at 25 per rupee. Find his gain or loss percent.​

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

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