What is 12.75 rounded to the nearest tenths

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

The equation represents the function f, and the graph represents the function g. f(x)=3(5/2)^x determine the relationship between the growth factors of f and g. a. the growth factor of g is twice the growth factor of f. b. the growth factor of f is twice the growth factor of g. c. the growth factor of f is 2.5 times the growth factor of g. d. the growth factor of f is the same as the growth factor of g.