Use substitution to solve the system of equations.
a.
(–7, –1)
b.
(–3, 1)
c.
(0, –5)
d.
(1, 3)

Divide. write in simplest form 41/6 divided by 10

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.