Answer:
x = 21
Step-by-step explanation:
3x + 18 + 4x + 15 = 180
7x + 33 = 180
7x = 147
x = 21
(-4, 1)
the solution is always where the two points meet!! :)
Answer:
F(x)=−125x+C
Step-by-step explanation:
The probability of not drawing a penny is 13/20, or 0.65, or 65%