Answer:
x=18
Step-by-step explanation:
(6x+3)+(3x+15)=180
(6x+3x)+(3+15)=180
9x+18=180
-18 -18
9x=162
162/9
x=18
Answer:
108
Step-by-step explanation:
b1+b2/2×h
so 12+15/2×8
12+15=27
27÷2=13.5
13.5×8=108
108 is the answer
4/5 would be the slope, the y-intercept is -3
Answer:
D
Step-by-step explanation:
6.8 = (6/5)^x
6.8 = 1.2^x
x ln 1.2 = ln 6.8
x = ln 6.8 / ln 1.2
= 10.513966
Answer:
1.) none
2.) 46/7
Step-by-step explanation:
