Why should you include weight training as part of your exercise routine? 1. To increase muscle mass 2. To increase bone density 3. To increase flexibility - A. Only 1 B. Only 2 C. 1 and 2 D. 1, 2, and 3. No links pls answer correctly and only if you know the answer. I think it’s d tho will give brainliest if right

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.)