What is 1830 x 21 in standard algorithm

The price of a coat increased from $78 to $92. what is the price increase percentage?

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

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 .