Solve the equation by completing the square. round to the nearest hundredth if necessary. x2 + 2x = 15

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?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.