What is an advantage of a nuclear reactor over a power plant that uses fossil fuels?
A. Nuclear reactors do not produce any hazardous waste product.
B. The fuel for nuclear reactors can be used without any processing.
C. Nuclear reactors do not produce greenhouse gases.
D. A nuclear reactor is much more economical to build.

What’s #16 asking me and how do i solve it?

The temperature in gavin's oven is a sinusoidal function of time. gavin sets his oven so that it has a maximum temperature of 280°f and a minimum temperature of 240°. once the temperature hits 280°, it takes 20 minutes before it is 280° again. gavin's cake needs to be in the oven for 30 minutes at temperatures at or above 270°. he puts the cake into the oven when it is at 260° and rising. how long will gavin need to leave the cake in the oven? (round your answer to the nearest minute.)

How is the ideal mechanical advantage of a wheel and axle calculated?