Is the statement sqrt4x+sqrt9x=sqrt13x true or false? Provide multiple representations to back up your claim

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.