A is a living being, a machine made up to 50,000 different proteins A. mitochondia
B. nucleus
C. cell
D. cell membrane

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

If log(a) = 1.2 and log(b)= 5.6, what is log(a/b)? a. 4.4b. 6.8c. not enough informationd. -4.4