(HELP NEEDED) Which expression is equivalent to (6x3+3x2+8)+(2x2−9x+10)? A. 6x3+5x2−9x+18

B. 5x4+6x3−9x+18

C. 6x3+x2+9x−2

D. 8x5−6x3+18

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

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?