Find the determinant: a
ad-bc
C
5 7
14 3
If A
1
then A-
ad-bc
where ad-bc0.
-
A 43
B -13
-3
D 13
2

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')