A is a rigid layer that surrounds a plant cell, providing structural support. A. chloroplast B. nucleus C. cell membrane D. cell wall

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?