Given the linear regression equation, LaTeX: Y=-3.0+0.25XY = − 3.0 + 0.25 X, what is the predicted value of Y when LaTeX: X=16X

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 .

On a piece of paper graph f(x)=5•(0.4)^x

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?