12. since the straws are 4 inches long and she wants to cut them into 1/2 in you would get eight 1/2 pieces on that one straw but since she has two straws she has sixteen 1/2 pieces so no she does not have enough to cut twenty 1/2 pieces
3rd answer always solve parenthesis first use PEMDAS
Answer:
1. 9 raised to the third power is 729
2. 4 raised the the power of 1 is 1
Step-by-step explanation:
9*9= 81*9=729
4*1=4
Answer:
The height of a baseball, in feet, is represented by this expression, where t is time in seconds.
-16t2+64t+3
The height of the baseball after 3.5 seconds is ___ feet.
Step-by-step explanation:
Consider the provided expression.
The height of a baseball, in feet, is represented by this expression, where t is time in seconds.

To find the height of the baseball after 3.5 seconds, substitute the value of t = 3.5 in above expression

Hence, the height of the baseball after 3.5 seconds is 31 feet.