Find the area of a triangle that has sides of length 571, 643, and 972.

Two trains are traveling in the same direction on parallel tracks. Train A is traveling at 60mph and passed a station at 9:20a.m. Train B is traveling at 80mph and passed the same station at 9:35a.m. When will Train B catch up with train A?

H2(g) + I2(g) = 2HI(g) The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm. What is the delta G for the reaction in kj/mol?

Find the taylor polynomial of order n=3 for f(x)=e^x about x=0

if a 13 foot ladder is leaning against a vertical wall and the bottom is moved away from the building at 2 feet per second, how fast is the top of the ladder sliding along the wall at the time the bottom of the ladder is 5 feet from the building?

Wanda walked 234 km in 14 days. At this rate, how far would she walk in 42 days?

graph the equation: y=2x-1

a company thet manufactures bikes has a fixed cost of $100,000. It costs $100 to produce each bike. The selling cost is $300 each.What is the cost fuction,the revenues function and the break-even point?Describe what this means. Whwn solving this exercise,assume that X represents the number of...

what is the definite integral of 6q+1?

Suppose it is known that a new treatment is successful in curing a muscular pain in 70% of the cases. If it is tried on 10 patients, find the probability that at most 9 and at least 7 will be cured.