6(b+8) And 2 (-3b+4) are equivalent expression

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 .

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25