Which of the following is an arithmetic sequence?
00.2.4.6.
01.24.8.
0 1.4.8.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.