Answer:

Step-by-step explanation:
1) q=90/180=45/90=...=1/2;
2) the formula of the n-th term of the given sequence is:

3) according to the formula 15th term is:

or ≈0.011.
Answer:
r=0.5d
Step-by-step explanation:
54%
Just divide 450 out of 828
450/828= 0.54347
Move the decimal to the right twice
Answer:
(4 , 1)
Step-by-step explanation:
Intersecting point of the two lines give the solution for the equations.
(4 , 1)
Answer:
y - 14(x) = 40 (Hopefully)
Step-by-step explanation:
-2 = 14(-3) +40
y = 14(x) + 40
y - 14(x) = 40