A job has an 85 percent learning curve. Estimate the time that will be needed to complete the fifth unit of the job. The time for the first unit is unknown. However, units 2 through 4 took a total of 28.14 hours to complete

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

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?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.