X(1+y)+(7+7y) factorise it with methods

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

What other information do you need to prove triangle dac=bca by asa

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.