Answer:
<em>(14, -7)</em>
Step-by-step explanation:
5(1+9v) = 5+ 45v
20b+12= 4(5b+3)
And the last one is r=2
Hope this helps!
1 m = 100 cm
1 m^3 = 1^6 cm^3
so 1 cm^3 = 10^-6 m^3
and 1 L = 1000 cm^3 = 10^-3 m^3
Answer:

Step-by-step explanation:
Use tangent:

We have:


Substitute:
<em>multiply both sides by 14</em>
