Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Answer: B
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The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
When is the body moving backward?
A. 7 < t < 10 B. 4 < t < 7 C. 0 < t < 4 D. 0 < t < 2, 6 < t < 7
Solve the problem. Write all linear equations in slope-intercept form.In a lab experiment 3 grams of acid were produced in 17 minutes and 18 grams in 45 minutes. Find a linear equation that models the number of grams produced in x minutes.
A. y = 
x - 
B. y = x + 14
C. y = 
x - 
D. y = 
x + 
Find the amount of premium retained by the company and the amount of refund to the insured using proration.Annual premium: $4129Months in force: 9
A. $3089.25, $1039.75 B. $3096.75, $1032.25 C. $2752.67, $1376.33 D. $3440.83, $688.17
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.5 
+ 5 
A. 25x
B. 5 
C. 5 
D. 25 