Angle RST and Angle GSH are vertical angles. Angle RST = 5b + 20 and Angle GSH = 7b - 4. What is the measure of Angle RST?
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Icould really use some with this question.

What are the values of each variable in the diagram below?

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell