Find the sum or difference
1.) (x^2-3x+7) - (2x^2-6x+8)

2.(x^3+2x^2+12) + (9-3x^3+4x)

Find the area of an equilateral triangle with a side of 6 inches

Equation for the calculation double 2 and then add 5

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