Translate into an equation and solve.A number times -21 is 6.51.
A. 0.031
B. -14.49
C. 3.1
D. -0.31
Answer: D
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A computer password consists of any five capital letters from the ordinary English alphabet (A through Z).How many different passwords start with the letter Z and end with the letter W?
A. 26 × 25 × 243. B. 263 C. 243 D. 245 E. none of these
Decide whether the relation is a function, and give the domain and range.
A. Not a function; domain: (-?, ?) ; range: (-?, ?) B. Function; domain: (-?, ?) ; range: (-?, ?) C. Function; domain: (-?, -3] ; range: (-?, ?) D. Not a function; domain: (-?, -3] ; range: (-?, ?)
Perform the indicated operation.(7
+ 2
)(10
+ 4
)
A. 70
+ 8
B. 70
+ 8
+ 48
C. 374 + 48
D. 326 + 48
Solve the problem.The area of a rectangular rug is 91 square feet and its perimeter is 40 feet. Find the dimensions of the rug.
A. 7 feet by 12 feet B. 8 feet by 12 feet C. 8 feet by 13 feet D. 7 feet by 13 feet