71,400,000 In Scientific Notation:
71,400,000 = 7.1400000 < 10
7.14 x 10^7
I believe it was the coasts of South America and Africa.
Since 3x + 2 is on a. Straight line, is is equal to 180 degrees.
1) So, 52 + another number must equal 180 degrees.
2) You're answer would be 118 because 118 + 52 = 180
3) Angle A = 118
