Simplify the expression: 9 x + 4 y minus 7 x + 2 y.
a. 2x2 + 6y2
b. 2x + 6y
c. 8xy
d. 8x2y2

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

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

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.