Answer: R = -5
Step-by-step explanation: 3r + 7= -8 is turned into 3(-5) + 7= 8. -15 + 7=8
Answer:
X= 17.5
Step-by-step explanation:
the outside of the triangle always = 180
so you need to add up all the sides and equal to 180
5x+35+x+5+2x=180
add like terms
8x+40=180
get the x alone
x=17.5
Answer:
I believe than answer is A make sure tho im only in 6 th grade
Step-by-step explanation:
(15/r) - 1...when r = 5
(15/5) - 1 =
3 - 1 =
2 <==