Find the value of x, y, and the measure of arc EB

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?

Which graph represents the equation y =4x

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section