Evaluate the expression. r = <5, 9, -4>, v = <3, 3, -8>, w = <9, -6, -1>

v ⋅ w

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32

Simplify each expression using the definition, identities, and properties of imaginary numbers. match each term in the list on the left to its equivalent simplified form on the right. 1. (i 3)2(-i 0)3(3i 2)4 -4 2. (i 3i -5)2(i 4i -3)0 1 3. (-i 4i 2)(2i)2(i -1i 5)3(i 0)-3 -i 4. i 3[(i 2i 3i 4)(i 0i 2i 5)]2 81