Translate the English expression into an algebraic expression. Use x to represent the unknown number.The opposite of a number
A. 1 - x
B. -x
C. 
D. 
Answer: B
Mathematics
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The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find cos t.
A. 
B. - 
C. - 
D. - 
Mathematics
Find the root. Assume that variables represent nonnegative values.
A. 
B. z3
C. 2z
D. z12
Mathematics
Find the probability of the compound event.A game spinner has regions that are numbered 1 through 9. If the spinner is used twice, what is the probability that the first number is a 3 and the second is a 6?
A. 
B. 
C. 
D. 
Mathematics
Solve.The sum of the squares of the digits of a positive two-digit number is 13, and the units digit is 1 more than the tens digit. Find the number.
A. 23 B. 43 C. 32 D. 34
Mathematics