Answer:
A. 20t² + 9t - 20
Step-by-step explanation:
(5t × 4t) + (5t × 5) - (4 × 4t) - (4 × 5)
= 20t² + (25t - 16t) - 20
= <u>20t² + 9t - 20</u> (A)
<em>Hope </em><em>this </em><em>is </em><em>h</em><em>e</em><em>l</em><em>p</em><em>ful </em><em>and </em><em>useful </em><em>:</em><em>)</em>
When u think of multiples...think of multiplication tables...
5 x 1 = 5
5 x 2 = 10
5 x 3 = 15
and so on.....so ur multiples of 5 are 5,10,15..and so on
so multiples of 5 starting at 75 would be.....75,80,85,90,95,100...and so on....not sure how far ur supposed to count to...
Answer: a
Step-by-step explanation:
2x=2
x=
==> Period:
==> a
$565+$65= 630
630/30 would be 21
it would take him 21 weeks to pay off his sister and buy the bike