Use the Pythagorean identity.Find sin ?, given that cos ? = 
and 0 ? ? < ?
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Solve.A service station normally charges $69.95 for an automobile tune-up. A coupon entitles the customer to a 15% discount. What is the cost with a coupon?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Multiply the following binomials:
a. (x + 1)(x - 3) b. (x + 3)(x - 3) c. (2x + y)(3x - 2y) d. (5a + 2)2
Mathematics
Subtract.
A. 6720 B. 720 C. 6704 D. 6604
Mathematics
Solve.The sales for a gaming console for various years are listed in the table below. 
Let s represent the sales (in billions of dollars) at t years since 1995. A reasonable model is 
Use the model to predict when the sales will be $10 billion.
A. 2012 B. 2014 C. 2013 D. 2015
Mathematics