What is the interest earned on $3,000 at a rate of 0.04 for 3 years? (hint: use the formula i = prt, where i represents the interest earned, p represents the principal, r represents the rate, and t represents the time.)

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?