A room is 10 m long ,6 m wide and 4.2 m high .it has one door of 2.5 m × 1.5 m one window pic dimension 1.5m × 1 m. find the cost of whitewashing the walls at ₹ 2.50 per sq. m.

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Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.