Technician a says that to offset the unfavorable balance of u. s. dollars sent overseas for petroleum, bio-based fuels are being homegrown and used. technician b says that 5% ethanol is commonly blended with 95% gasoline in some states. who is correct?

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

What ia the sum if the first 7 terms of the geometric series

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations