In Exercise 39 describe and correct the error in solving the equation.

39.
-0.8 + r= 12.6
r= 12.6 + (-0.8)
r= 11.8

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric