The numbers 1, 3, 6, 10, 15, ... are known as triangular numbers. Each triangular number can be expressed as (n(n+1))/2 where n is a natural number. The largest triangular number less than 500 is: A) 16
B) 9
C) 8
D) 5
E) 3
Please include an explanation if you answer, thanks

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.

answer: what are the answer choices?

step-by-step explanation: