Use the FOLD method<span>
(a+b)(c+d)=ac+ad+bc+bd
</span><span>−12<span>s<span><span>^2 </span><span></span></span></span>+ 3st + 8ts − 2<span>t<span><span>^2</span><span>
</span></span></span></span>Collect like terms
-12{s}^{2}+(3st+8st)-2{t}^{2}
Simplify
<span>-12{s}^{2}+11st-2{t}^{2}<span>−12<span>s<span><span>2</span><span></span></span></span>+11st−2<span>t<span><span>2
The answer is = -12s^2 + 11st - 2t^2</span></span></span></span></span>
120
OA = OB
angle OAN = 90 degrees, so OAB and OBA is both 30 degrees.
Answer: It's either -6 or 12. I'm assuming it's 12 because it says "more than."
Step-by-step explanation:
A group of related facts that use the same number is a fact family
Answer:
1. 1017.4
2. 1139.8
Step-by-step explanation:
Those the answers
