The cost of 1 dozen pens is ₹ 24. Find the cost of 30 pens.
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Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Can some one explain this i got sent this. is this a threat i’m scared

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2