(! ) hummingbirds beat their wings many times per second. which equation relates the number of wing beats per second (a) to the number of wing beats per minute (b)?

a. b=60/a
b. b=a/60
c. b=60a
d. b=a+60

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

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