A round dining room table has a wood top with a circumference of 32 feet. a woodworker is refinishing the top. he needs to find the area of the top to buy materials and know how long the job will take. what is the area of the tabletop? math question

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Which of the binomials below is a factor of this trinominal? x^2-13+30

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.