What is the value of b in the arithmetic sequence? 7, a, b, -23, …

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 .

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Need on this one asap im almost done with this subject