Here is triangle ABC. Triangle DEF is similar to triangle ABC, and the length of EF is 5 c. m. What are the lengths of sides DE and DF, in centimeters

If cos(θ)=2853 with θin q iv, what is sin(θ)?

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams

You use technology ans find a sum of 6.712e-8. write this sum in standard form