Considere a expressão A , definida por: A = 2x + 4y + xz + 2yz. Sabe-se que x+2y = -4 e z = 3. Dessa forma, o valor de A é igual a: a) -20. b) -16. c) -12. d) -1.

step-by-step explanation:

from the graph attached below:

domain of graph is the value of x for which the given function profit function p(x) is defined.

(a) the domain represents the number of years for which the outlet will earn a profit.

range of profit function defines the lowest to highest value of profit earned.

(b) the range of this function is (0 , 160 ). for this function, the range represents the outlet's profit earned.

24+x=y

step-by-step explanation:

answer: b

step-by-step explanation:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21

-7 + ? = 21

-7 + 28 = 21

hope it