Abarrel of oil is extracted at a cost of $51 then transparent to and from the refinery at a cost of $6 each way. the oil is refined 3 times at $9 per time. whats the profit, in dollars per barrel, if one barrel is sold for $93

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

Which of the following contains a variable?

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.