The rehearsal for Acts I and II of the school play lasted 5 1⁄2 hours. If 3 3⁄4 hours were spent rehearsing Act I, how much time was spent practicing Act II?

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*