The plates at the local restaurant have a diameter of 12.6 inches. what is the circumference of the plates?
use 3.14 for π.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

The equation of line wx is y=2x-5. write an equation of a line perpendicular to line wx in slopeintercept form the contains points (-1,-2)