Answer:
a number or placement number
Step-by-step explanation:
A line graph Would be the best to compare test scores
112.5 seconds per lap. As you need to convert the minutes to seconds, 7 x 60 = 420 + 30 = 450
450/4 = 112.5
Answer:
Option A. 
Step-by-step explanation:
we know that
A perfect square trinomial is equal to

In this problem we have

equate the equations and solve for a

so


therefore
the perfect square trinomial is equal to 