5. Find a ratio equivalent to 15: 7.
A 30 to 21
C 60 : 28
B 60 to 35
D 45 : 14

What is the length of bc ? enter your answer in the box.bc =

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.