Translate and solve:   286.02  is what percent of  454?

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0