What is the equation of the line in slope-intercept form? Please help thank you

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?

Select a graph that have an equation with a < 0

Solve the inequality and graph 6j - 7 < 5