Further Math

What would be the acceleration of a mass of 50kg when acted upon by a force of 80N?

In how many ways can three vacancies be filled out of five applicants?

Find the quadratic equation whose roots are 3 and -m.

Two dice are thrown once. What is the probability that the same number shows up on both dice?

If (x-6)(x+4) = 0, find the value of 5x+4 when x > 0.

Is 3 a rational number?

Find the equation of the line which passes through the points (-2,7) and (2,-3).

What is the next number in the sequence 2,5,10,17,…?

In a class of 20 students, 16 play soccer, 12 play hockey and 2 do not play any of the two games. How many students play only hockey?

Solve the equation 8x - 7y = -52 and x = 2y - 11.