You can factor it out :)
4x+12=4(x+3)
100m= 0.621371 miles
11 seconds = 0.0030556 hours
s=d/t
0.0621371miles/0.0030556hours = 20.3355miles/hours
round off to 20.3 miles per hour
d because you take the denominator of the fraction and you put it infront of the square root then you take the numerator and multiply it by the number at hand in this case 7
Answer:
25x^2 - 4
Step-by-step explanation:
and x times an x is x^2 so
25x^2 - 4
