Simplify the expression using the order of operations.[22 - (4 + 6) ÷ 2] - [1 + 18 ÷ 3]
A. 7
B. 5
C. 17
D. 10
Answer: D
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Use the substitution formula to evaluate the integral.
A. - 2
+ 8
B. 
- 4
C. 2
- 8
D. 
- 2
Solve the problem.An object of mass m is dropped from a helicopter. Assuming that air resistance is proportional to velocity, the velocity v of the object satisfies the equation 
Find velocity as a function of time.
A. v = 
(1 - e-kt/m)
B. v = 
- e-kt/m
C. v = 
(1 - ekt/m)
D. v = 
(1 - e-kt/m)
In the following statement, give an answer between 0° and 360°.A sequence of two consecutive clockwise rotations, first of 260 and second of 180°, about the same center is equivalent to a single clockwise rotation of 
.
A. 100° B. 80° C. 440° D. 180°
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
2
A. 4
B. -4
C. 
D. 