Easy
first term is n=1
so 10th term is n=10
5(10)+100=50+100=150
150 is 10th term
If 70% lay eggs, that leaves the remaining 30% to give live birth. 2700(0.30) = 810 species
The base would be 13.6 cm long, if you divide the area by the height you will get the base.
The freezing point is 0 degrees Celsius, and the boiling point is at 100 degrees. The difference is thus 100-0=100.
