In the figure, x∥y and a is a transversal that crosses the parallel lines.

which angle pair forms corresponding angles?

∠3 and ∠6

∠1 and ∠4

∠1 and ∠5

∠6 and ∠7

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

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