2x + y = 10 and - 7+8y=-20

Round 392,153 to the nearest hundred thousand

3 to the power of 2+12: (6-3) * 8.

The admission fee at a county fair is $2 for children and $4 dollars for adults. Suppose that on the last day, 1600 people enter the fair and $5000 is collected.

Use the subtraction property of equality to complete the following statement if RS + St = RT then RS =

The solution set of this inequality? -2x+7<23

Bills furrier marks up mink coats $3000. this represents a 50% mark up cost. what is the cost of the coats?

Four-fifteenths of an airlines flights at international. The airlines flights are equally divided among 12 countries. What fraction of the airlines flights are to each country?

Anne sold 20 gallons of lemonade carol sold 10 fewer quarts how many quarts did carol sell

Six positive integers from a list of nine positive integers are $6, 7, 2, 4, 8, 5$. What is the largest possible value of the median of this list of nine positive integers?

It is estimated that almost ___% of collisions involving a vehicle and a train were at crossings where warning devices such as lights, gates and bells were in working order.