4x3 - 6x2 + 8x - 9 from 7x3 - 16x +18

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 .

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

How are algebraic expressions evaluated using substitution?