Answer:
$6
Step-by-step explanation:
add all of them up and divide by the amout of numbers there
The answer is 71.4 miles per hour
Answer:
312
Step-by-step explanation:
5*4=20*2=40
4*17*4=272
272+40=312
Answer:
<em>12 </em>
<em> + 28 </em>
<em> - 60 r³ + 28 r² </em>
Step-by-step explanation:
a(b ± c) = ab ± ac (distributive property)

2r²(6r³ + 14r² - 30r + 14) = <em>12 </em>
<em> + 28 </em>
<em> - 60 r³ + 28 r²</em>
S=d/t
s=40/4
s=10
Therefore the average speed of the football is 10yd/s!