Error Analysis A survey of 40 people found that 25 had the same Internet service provider. The survey reported this information as the ratio 25:40. Reports about the survey used the following ratios to describe the results. Which is not an equivalent ratio? What was the error?
5:8 20:32 35:50 45 72

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a.x = 0 b.4x = -8 c.4x = 8

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point