The mass of a jar of sugar is 1.9kg. what is the mass of 13 jars of sugar?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)