Find the product and write the result in standard form.-6i(5i - 2)
A. 12i - 30i2
B. -30 + 12i
C. 12i + 30i2
D. 30 + 12i
Answer: D
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The graphs show the position s, velocity v = ds/dt, and acceleration a = d2s/dt2 of a body moving along a coordinate line as functions of time t. Which graph is which?
A. C = position, A = velocity, B = acceleration B. A = position, B = velocity, C = acceleration C. A = position, C = velocity, B = acceleration D. B = position, A = velocity, C = acceleration
Use the substitution formula to evaluate the integral.
A. - 
B. 
C. - 
D. 
Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 7
C. 
D. 
Use the right triangle shown below and find the missing length. Give an exact answer and a decimal approximation rounded to two decimal places. 
b = 5, c = 5
A. a = 30
B. a = -5
? 11.18
C. a = 5
? 11.18
D. a = 5
? 12.25