After a power failure, the temperature in the freezer increased at an average rate of 2.5 degrees fahrenheit per hour. the total increase was 7.5 degrees fahrenheit. write and solve an equation to find the number of hours until the power was restored.

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Need on this geometry question. explain how you did it.