What is the measure of b

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?

What is the graph of the absolute value equation ? y=|x|-5

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6