Samantha had to add this group of numbers (47 + 56 + 53), but she wanted to add them as quickly and as easily as possible. here is how she decided to add the numbers: 47 + 56 + 53 = (47 + 53) + 56 = 100 + 56 = 156. which number property allowed her to add the numbers in this way?

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?