Will someone come and me with this math ?

Simplify the expression 10/11(22z) + (a+5) -1

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.]

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar