Seven times a number plus three times another number equals negative one. the sum of the two numbers is negative three. what are the numbers?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Find the domain of the following expression: 1/(√x)-2

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?