Which of the following are pythagorean triples check all that apply

a. 12, 16, 20
b. 24, 35, 41.2
c. 32, 60, 68
d. 9, 14, 17.1
e. 5, 13, 16
f. 8, 15, 17

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

What are “like terms”? why can we only add like terms?

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .