The molina family went to a concert together. they purchased 4 concert tickets for $25 each, 3 t-shirts for $15 each, and a poster for $10. write an expression for the total cost. then determine the total cost

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

In a column proof the right column states your reasons

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.