Suppose a-b=0 what expression would equal ab?

There are 35 competitors in a marathon. 60% of these finished the race in under four hours. How many competitors finished the race in under four hours?

In 10 minutes, the top three finishers in a hot dog eating contest consumed a total of 130 hot dogs. the winner, person a, ate 8 more hot dogs than the runner-up, person b. person c finished a distant third, 10 hot dogs behind person b.

suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 1700 bacteria selected from this population reach the size of 1892 bacteria in three hours.

a train leaves little rock, arkansas and travels north at 70 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are at 450 kilometers apart

Five times the sum of a number and 7 is - 25. What is the number?

Customers at Fair Weather Farmer's Market love to sample Ava's homemade strawberry jam. A jar of jam contains 12 ounces, and the sample size is 1 2 of an ounce. How many people can sample from one jar?

In 1/8 days, a construction crew built 1/4 miles of a road. What is the unit rate in miles per day.

Part A: What is the value of 2x if 4x + 6 = 2x - 12? Part B: What is the value of x - 3 if 24 = 6x - 18?

A cookie recipe uses 1 1/2 cups of sugar to make 1 batch of cookies what is the missing cup of sugar

Which of the following interpretations of the mean is correct? A. The observed number of hits per game will be equal to the mean number of hits per game for most games. B.