Krishne wants to measure the mass and volume of a key. Which tools should she use?

Which expression is equivalent to -5(3x - 6/7)

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.