(0.00063 x 10-3)(10,000)
7000 x 10-10

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Is the power produced directly proportional to the wind speed, give reasons for your answer?