Lacey is attending a university where the cost for one year is $10,500. she has a scholarship worth $6,000 and a grant worth $900. she earns $45 a day at her job. how many days does she need to work to pay for 50% of the remaining amount?

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?

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !