In music written in 4/4 time, a half note lasts for 1/2 measure and an eighth note lasts for 1/8 measure. In terms of a musical measure, what is the difference in the duration of the two notes?

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Which one is true about the hexagons ?

Which letters from the table represent like terms? a and b b and c a and d b and d