A store is running a sale with a scratch-off coupon. You either get 15$ off of your purchase of 50$ or more, or you get a 30% discount off your purchase of 50$ or more. Which is the better deal

a magnifying glass is a convex lens which produces a magnified image of an object. for a magnified image to be observed the distance between the object and the lens has to be shorter than the focal length of the lens.

a term of an expression may be a number, a variable, or a product or quotient of a raised dot or set of parentheses are often used to indicate a writing in math equivalent expression have the same value. 68. challenge find all of the solutions of x 2 + 5 = 30. 69. open ended write an equation that involves

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