(7.1a; 7.1b)
4. rosalie bought 4 books that each
cost $15.75. she used a coupon for
20% off her purchase, and she paid
sales tax of 8%. rounded to the
nearest cent, what was the final cost
of rosalie's books?
a $13.61
b $50.04
c $54.43
d $68.04

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.]

Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite

Each unit cost 14p, how much would 942 units cost?