Answer: 13
Step-by-step explanation:
Equilateral triangle means that all sides are equal
Soo
3x + 1 must be equal to 5x - 9
3x + 1 = 5x - 9
-2x = -10
x = 5
Substitute x as 5 into either side value
3(5) + 1 = 15 + 1 = 16
So, all sides equal 16
Which means that y + 3 also equals 16
y + 3 = 16
y = 13
it is D because my teacher and I did a sample test and these were one of the questions plus i've seen people with the same answer for this question. take my word for it
Answer:299.94
Step-by-step explanation:youre welcome
Hello :
<span>slope of the red line is : a
a×(-5) = -1
a=1/5</span>
Just saying thats a hella slow plane
and if you divide 500miles and 11miles you should get 45.45 which should be how many hours it is
