Kalani and porter each simplify one of the expressions below. if they add the results together what will be their sum. kalani: 4×11-(5+12) porter: 4×11-(5+12)

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)