Holly had 2 kg of beef. she used 4/5 of it to make stew. how many kilograms of beef did she have left?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

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

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?