Does anyone know where I can find revision questions that will help me in my maths Gcse?​

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 .

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?