The ancient greeks were very interested in number patterns. triangular numbers are number that can be represented by a triangular array of dots, with n dots on each side. the first three triangular numbers are 1, 3, and 6.
write a formula for the nth term of this sequence.
a) an= 2n
b) an= n^2/2
c) an= n(n+1)/2
d) an= n+1/2

answer: if you weigh 60 pounds on earth, on the moon you will weigh about 10 pounds. if you weigh 120 pounds on earth, you will weigh about 20 pounds on the moon. since weight is caused by the mass of two objects that are near each other, the bigger the objects, the more the force of gravity.

step-by-step explanation: if you weigh 60 pounds on earth, on the moon you will weigh about 10 pounds. if you weigh 120 pounds on earth, you will weigh about 20 pounds on the moon. since weight is caused by the mass of two objects that are near each other, the bigger the objects, the more the force of gravity.

answer:

your answer is: c. 196 7/8 in^3.

3x + 4y -25 =0 represents the amount of change sianna should recieve