Given that x^2+y^2=5xy, show that (a) 2log(x+y/√7)= logx+ logy

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Identify the number as a rational or irrational.explain. 127