Amachine can make 450 balls of yarn in 3 hours. at this rate , how long does it take the machine to 1,050 balls of yarn. using substiution?

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

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.