Concrete is a mixture of cement, sand, and gravel. the masons will purchase a cement, sand, and gravel mixture in a ratio of 1: 2: 3. how many pounds of each material are needed for 60 lb of concrete mix?

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets, x, and the number of student tickets, y. find the solution and explain what it means. i'll you if you me

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis