Which of the following r-values represent perfect correlation coefficients

PLEASE

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

Who long does it take to drive 150 miles at 45 miles per hour

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3