Simone paid $16 for an initial year's subscription to a magazine. The renewal rate is $7 per year. This situation can be represented by the equation y = 7x + 16, where x represents the number of years the subscription is renewed and y represents the total cost, in dollars.

Which expression is the factored from of 2/3x + 4?asap

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?