Answer:
Step-by-step explanation:
2a^-a-13=2
Subtract 2 from both sides :
2a^2-a-13=2=2-2
2a^2-a-15=0
Factor left side of the equation :
(2a+5) (a-3)=0
Set factors equal to 0 :
2a+5=0 or a-3=0
a=-5/2 or a=3
<h2>
Answer:</h2>
To find slope, we must use the <u><em>slope formula*</em></u>.

The slope is <em>1.5/4.5</em>.
Answer:
4,39299
Step-by-step explanation:
I multiplied 3 x all the numbers in 6,973, then 6 x all the numbers (I added a 0 before I multiplied, then added both the products and got my answer.
No 1+1 does not equal fish.....I thought so too until I looked it up
B) In triangles ABC and ABD, one side and one common angle are equal