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Determine whether the lines given by the equations are parallel, perpendicular, or neither.
Q41: Find the product. <span class="ql-formula"
Q48: Draw the graph of the equation
Q60: Divide. <span class="ql-formula" data-value="\frac {
Q78: Solve, using the substitution method, and
Q85: Draw the graph of the line
Q97: Solve the formula for the given
Q160: Find the product. <span class="ql-formula"
Q233: Solve the equation and check.
Q236: Solve the equation and check.
Q312: Use the formula W = fd,