If x(x + y) = 3 and y(x + y) = 10, which of the following is a possible value of x + y? (A) radical 7
(B) radical 13
(C) 6.5
(D) 7
(E) 13

With steps and explanation please. ​

I believe that the answer is D: 7

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.