Answer:
20. 4n+5+8n-5=180(linear pair)
12n=180
n=15
21. 9x-6=8.5x+2(can be seen from image)
9x-8.5x=2+6
0.5x=8
x=8/0.5
x=80/5
x=16
22. 4z+3z+6=90°(Complementary)
7z+6=90°
7z=84°
z=12°
Answer:
y= -3x-6
Step-by-step explanation:
I believe this is correct
Answer:
Ricardo hiked 29 miles.
Step-by-step explanation:
10 6/11 x 2 3/4
convert
116/11 x 11/4 = 1276/44
1276/44 = 29
Answer:
16
Step-by-step explanation:
the negative outside the parenthesis removes the negative that is with the 19 and it is going to be 19-3 which equal 16
If you send me the points I’ll do it in the comments
