The mean temperature for the first 7 days in January was 2 °C. The temperature on the 8th day was 4 °C.
What is the mean temperature for the first 8 days in January?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.