HELP!!! Cheryl writes 7 fewer posts than Kevin on a social media site. Answer the questions to write an algebraic expression. Th
en evaluate the expression for the given value. 1. Choose a variable to represent the number of posts Kevin writes. Explain why you chose this variable. 2. Which operation (addition, subtraction, multiplication, or division) applies to this situation? Justify your choice. 3. Use your variable and the operation you identified to write an expression for the number of posts Cheryl wrote. 4. If Kevin wrote 21 posts, how many did Cheryl write?
In the best 30 years for the housing market (1976-2005), real price appreciation averaged 2.2% per year. In the worst 30 years for housing (1895-1924), real price appreciation averaged -2.0% per year.
Hello : <span>f(x)=x²+4x-5 </span><span>The axis of symmetry for a function in the form f(x)=x^2+4x-5 is x=-2 : </span>f(x) = (x+2)² + b f(x) x²+4x+4+b= x² +4x-5 4+b= -5 b = -9 the vertex is : (2 , -9)
