Answer:
$7.50
Step-by-step explanation:
Just subtract.
Answer:

x minus thirteen = <u>x</u><u> </u><u>-</u><u> </u><u>1</u><u>3</u><u>.</u>
Answer:
3.15 seconds is the answer.
<u>Explanation</u>
when the ball touches the ground, h =0
hence,
0=255-21t-16t²
16t²+21t-225=0
here a=16 ,b=21, c= -225

time cannot be negative, hence t = -4.46 can be avoided
The ball takes 3.15 seconds to hit the ground.
Answer:
the answer is 98. 196 ÷ 2 = 98
Answer:
only 1
Step-by-step explanation: