How many ways can 7 students come in first, second, and third place in a math contest? omg one student can earn each place

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y