Answers:
B: <em>The sine function increases on (0°, 90°) and (270°, 360°).</em>
C: <em>The cosine function decreases on (0°, 180°).</em>
E: <em>Both the cosine and sine functions have a maximum value of 1.</em>
F: <em>Both the cosine and sine functions are periodic.</em>
Answer:
b. They can both be 90 degree angles
c. Acute angles are by definition 90 degrees, and acute is less than but not equal to 90 degrees
d. should be always
e. should be never (explanation: they have to be adjacent to be supplementary, and vertical angles are never adjacent)
Step-by-step explanation:
Answer:
x = 7
Step-by-step explanation:




cancel 3
Then

The surface area is 113.52 feet^2
Let last year product be
x boxes.
110% of x means

.
Thus, we solve the equation:

.
Multiplying both sides by

, we have:

.
Answer: Last <span>year's annual production was 650,000 boxes.</span>