Determine the center and radius of the following circle equation: x2 + y2 + 14x – 12y + 69 = 0
Center:
Radius:
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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?

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle

X+y=-4 x-y=2 use elimination with adding and subtraction