Which equation is true when k = -15?
A. 3k - 11 = -34
B. -53 + 4k = 7
C. k3+ 17 = 12
D. k5 + 2.5 = 0.5

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

If value of cos330° is √3/2 then find tan165°.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.