Evaluate.Let a = 
. Find -5a.
A. 
B. 
C. 
D. 
Answer: C
You might also like to view...
Find the domain of the rational expression. 
A. {x|x is a real number and x ? 8 and x ? -5} B. {x|x is a real number and x ? 8 and x ? 5} C. {x|x is a real number and x ? 8 and x ? -8 and x ? -5} D. {x|x is a real number and x ? 8 and x ? -8 and x ? 5}
Find first four terms of the indicated expansion by use of the binomial series.(1 - 3
)7
A. 1 - 21
+ 63x - 105x
+ . . .
B. 1 - 21
+ 189x - 945x2 + . . .
C. 1 + 21
- 189x + 945x
- . . .
D. 1 - 21
+ 189x - 945x
+ . . .
Solve.Tyler and his sister arranged a party for their father's birthday. The total cost of the party was 
Tyler paid 
of the total cost and his sister paid the remainder. How much did Tyler pay?
A. $188 B. $168 C. $178 D. $183
Solve the problem.Frank can type a report in 4 hours. James takes 8 hours to type it. How long will it take the two of them typing together?
A. 8 hr
B. 
hr
C. 
hr
D. 
hr