On a winter morning, the temperature before sunrise was 11 degrees. the temperature then rose by 1/2 degree each hour for 7 hours before dropping by 2 1/4 each hour for 3 hours. what was the temperature, in degrees fahrenheit, after 10 hours/

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?

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Evaluate the expression for the given value of the variable 7a - 4a for a =8