The sum of a number, n, and 8 is multiplied by -4, and the result is -12. What is the number. A. N=-5,B. N=1,C. N=5,D. N=11

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Which expression is the factorization of x^2+10+21