Answer:
<h2>t=-1</h2>
Basic fact:
<em> a + and a - make a -</em>
Step-by-step explanation:
6 + -3 = 3t + 6
6+-3=6-3
6-3=3
3= 3t+6
-6
-3=3t
divide by 3
-1=t
Answer:
4%
Step-by-step explanation:
R=INTEREST X 100% / TIME X PRINCIPAL
r=40 x 100=4000
4000/500 x 2=1000
4000/1000=4%
Answer:
Step-by-step explanation:
I suspect it is 64 not 65,
9x^2-64y^2
= (3x - 8y)(3x + 8y).
(If it is 65 there are no factors)