When Quinn got home, he turned the air conditioner on. T TT represents the temperature in Quinn's home (in degrees Celsius) after t tt minutes. T = 42 − 0.7 t T=42−0.7t

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation