Solve for x, PLS HELP

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

What describes horizontal cross section of the right rectangle 6m 8m 5m

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.