For math. i need with this. 15 points
which statement shows how the product of (x + 5)2 demonstrates the closure property of multiplication?
x^2 + 25 is a polynomial
x^2 + 25 may or may not be a polynomial
x^2 + 10x + 25 is a polynomial
x^2 + 10x + 25 may or may not be a polynomial

Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Harry the hook has 7 1/3 pounds of cookie dough.she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?