Use iteration to guess an explicit formula for the sequence: tk = tk−1 + 3k + 3, for all integers k ≥ 1, where t0 = 0

How to write 3 tenths and 5 tenths as a decimal

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?