WILL GIVE BRAINLIEST! Which equation could be used to find the value of x?

Picture: Triangle DEF where angle E is a right angle. DE measures 55. EF measures x. Angle D measures 49 degrees.

A) cos 49° = x over 55
B) tan 49° = x over 55
C) cos 49° = 55 over x
D) tan 49° = 55 over x

The function models the number of accidents per 50 million miles driven as a function

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?