Given: square root of 56 plus square root of 126

which statement is not true?

the sum is rational.

the sum is 5 square root of 14

the sum is a real number.

the terms can be rewritten into simplest radical form so that each term has square root of 14 .

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

What are the solutions of the equation? 6x^2 + 11x + 4 = 0 a. 4/3, 1/2 b. -4/3, -1/2 c. 4/3, -1/2 d. -4/3, 1/2