what is the answer to this it takes sara 1/2 day to make birdhouse how much of birdhouse will be built after 2/5 day

Factor this polynomial completely x^2-64

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

The seventh-grade students at charleston middle school are choosing one girl and one boy for student council. their choices for girls are michaela (m), candice (c), and raven (r), and for boys, neil (n), barney (b), and ted (t). the sample space for the combined selection is represented in the table. complete the table and the sentence beneath it.