Solve the system of equations using substitution. 3 multiplied by y equals negative the quantity 1 divided by 2 end of quantity multiplied by x plus 2. y equals negative x plus 9. a. (20, –4) b. (10, –1) c. (3, 6) d. (–1, 8)

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

Find the maximum value of p= 4x + 5y subject to the following constraints :

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.