If a_1=4a 1
​
=4 and a_n=-4a_{n-1}a
n
​
=−4a
n−1
​
then find the value of a_6a
6
​
.

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Secant be and cf intersect at point d inside a what is the measure of cde