Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.cos(sin-1 x)
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the product.(9 + x)(3x + 7)
A. x2 + 34x + 34 B. 3x2 + 33x + 63 C. 3x2 + 34x + 63 D. 3x2 + 63x + 34
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Tell whether the statement is true or false.Every integer is an irrational number.
A. True B. False
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Find all square roots of the number.10,000
A. 99, -99 B. 100, -100 C. 101, -101 D. 10, -10
Mathematics
Solve.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 12 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 60 minutes
assistant: 15 minutes
B. baker: 60 minutes
assistant: 240 minutes
C. baker: 15 minutes
assistant: 60 minutes
D. baker: 4
minutes
assistant: 17 minutes
Mathematics