At a conference, four speakers are evenly dividing up the time in a 45-minute session. how much time will each speaker get?
a : 11.2 minutes
b : 11.25 minutes
c : 112.5 minutes
d : 10.25 minutes

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?

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

Wrote and expression for the difference of p and 4