Answer: 
<u>Step-by-step explanation:</u>
Note the following identities: tan² x = sec²x - 1
tan² x + sec x = 1
(sec² x -1) + sec x = 1
sec² x + sec x - 2 = 0
(sec x + 2)(sec x - 1) = 0
sec x + 2 = 0 sec x - 1 = 0
sec x = -2 sec x = 1
Answer: B, D, and E
Step-by-step explanation: 20% of 45 equals 9 D, D, and E all equal 9
Terry has 43 in her checking account....she then writes a check for 62...
43 - 62 = - 19 <==
Hi there! The answer is D. range.
The range shows the difference between the largest and the smallest number, and the black arrow below the graph in the picture shows is this distance between the largest and the smallest number. Hence, the answer is range.
