Given that sin
⁡
A
=
9
82
sinA=
82


9

and
cos
⁡
B
=
1
5
cosB=
5


1

, and that angles
A
A and
B
B are both in Quadrant I, find the exact value of
cos
⁡
(
A
+
B
)
cos(A+B), in simplest radical form

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Gia opened two savings accounts at two different banks. one account earns an annual 3.4% simple interest, and the other earns half as much. if she deposited $500 in each account, how much total interest will she have earned in 5 years? a. $34.00 b. $25.50 c. $51.00 d. $510.00