Segment dc is a diameter of circle a in the figure below. if angle dab measures 34 degrees, what is the measure of arc bc?

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?