You have 13 toppings. You can choose 3. How many combinations are there?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x