Choose the phrase or word that best completes the statement: lines are perpendicular if they are

True or false? many triangular shapes can be circumscribed about a given circle

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

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