Out of 52 students who had at least one siblings, 29 had at least one sister and 14 had at least one brother and one sister. How many students had at least one brother and no sisters?

Suppose researchers marked 800 turtles and later were able to trap a total of 300 individuals in that population, of which 150 were marked. what is the estimate for total population size

Solve x for 2x^2 + 7x+3

23780 lb equals how many tons

The population of Hinchton in 1991 was 22,374. In 1987 the population was only 14,998. How much did the population increase between 1987 and 1991?

28 girls and 35 boys signed up for the team challenge. Each identical team needs to have a girls and boys. What is the greatest number of teams possible

What is the equation for an arithmetic sequence with the first term of 7 and the second term of 3

The sum of two numbers is 35. The greater number is 1 less than 6 times the smaller number. What are the two numbers

Could you find the greatest common multiple of two numbers?

A bike is in fourth gear. When the pedals turn 3 times, the rear wheel turns 7 times. When the pedals turn twice, how many times does the rear wheel turn? Find the digit: 3:7 = 2: x

What is 9.0008*10 to the - 6 in standard notation