Let s represent speed.

To graph it, draw a number line. Show zero, 20, 50 and arrowheads at both ends. Draw closed circles at 20 and 50 and shade in between.
Answer:
19/0.8 23,75 or 23 3/4
and go to elementary school
Answer:
Greg is 19 and Teri is 11
Step-by-step explanation:
Greg = g
Teri = t
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Formulas:
2t-3= g
g+t = 30
Answer:
g = 19
t = 11
Check:
2(11)-3 = 19
19 + 11 = 30
500 is the answer because 500 is much closer
<span>All numbers are perfect squares, except number 63.</span>