Two trains are moving towards each other. One train moves at a speed of 50 mph, and the other train travels at 60 mph. How soon will they meet, if originally the distance between them was 340 miles?

36 inches/second = yards/minute how many yards?

What is the factored form of the following expressions? d^2 – 13d + 36

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27