A survey of 60 students was done and revealed that 3/5 preferred basketball, 3/10 preferred football, and the rest preferred baseball. How many students preferred baseball?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11