Circle a and circle b, which are pictured above, have the same center. Which equation can be used to find the area of circle a?

a
A = (pi)x2²

b
A =(pi)x6²

c
A = (pi)x8²

d
A = (pi)14²

What is the greater volume 72 quarts or 23 gallons

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7