The spinner below is divided into 16 equally spaced sections. if the spinner is spun 20 times, what is the probability of getting a perfect square exactly seven times?

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

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?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?