1. Solve the equation x13 - 2x12 - x11 + 2x10 = 0 in the real number system.
A X=0 with multiplicity 10, x = -1, x = 1, x = 2
B x=0 with multiplicity 10. X = -1, x = 2 with multiplicity 2
Cx= -1, x = 1, x = 2
DX=0 with multiplicity 10, x= -1 X = 1 with multiplicity 2

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .