Solve the problem.One card is selected from a deck of cards. Find the probability of selecting a red card or a diamond .
A. 
B. 0
C. 
D. 
Answer: D
Mathematics
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Translate the sentence into an equation. Use x to represent the unknown number. The quotient of a number and 3 results in 4.
A. 
= 4
B. 3x = 4
C. 3 - x = 4
D. 
= 4
Mathematics
Multiply or divide. Simplify, if possible. Assume all variables and radicands represent nonnegative real numbers.
(
+ x
)
A. 
+ x
B. 15 + x
C. 45x
D. x + 
Mathematics
Solve the problem.A salesperson has two job offers. Company A offers a weekly salary of $630 plus commission of 14% of sales. Company B offers a weekly salary of $1260 plus commission of 7% of sales. What is the amount of sales above which Company A's offer is the better of the two?
A. $4500 B. $9000 C. $18,000 D. $9100
Mathematics
Perform the indicated arithmetic.1
? 
A. 
B. 1
C. 1
D. 
Mathematics