Find the product of 2x4(2x2 + 3x + 4). i need help

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

What is the missing step in this proof ?