Which expression simplifies to 3x + 4z + 6?
question 1 options:

3x + 6 + 4z + 12

7x + 4 + 7z + 2

7z + 3x + 6 - 3z

3 + x + 4 + z + 6

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Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

If the value of cos330°is√3/2 then find cos 165°.