Abrick stair case has a total of 40 steps. the bottom step requires 88 bricks. each successive step requires two less bricks than the prior step. how many bricks are required for the top step?

Which function is represented by the graph

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before