Subtracting rational numbers tell how the commutative and associative properties of addition can help you evaluate the expression
2/5 - 7/10 - (-3/5)

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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