Alocal hamburger shop sold a combined total of 505 hamburgers and cheeseburgers on tuesday. there were 55 more cheeseburgers sold than hamburgers. how many hamburgers were sold on tuesday?

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Factor the expression using gcf 9b+45

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]