Write the expression in radical notation. Evaluate by hand when possible.641/2
A. 642; 10
B. 642; 4096
C. 
; 8
D. 
; 16
Answer: C
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Solve the problem.Sue and Bob have each saved money during every year from 2000 to 2005. The following bar graph shows the amounts saved each of those years.
In 2002, estimate how much more Bob saved than Sue.
A. 350 B. 550 C. 450 D. 150
Solve the problem.The sum of a number and 8 times its reciprocal is 6. Find the number.
A. 4 B. 2 C. 5 D. 2 or 4
Solve the problem.Kimberly invested 
in her savings account for 7 years. When she withdrew it, she had 
. Interest was compounded continuously. What was the interest rate on the account?
A. 4% B. 3.9% C. 3.8% D. 4.05%
Use negative exponents where necessary to write the expression with all variables in the numerator of a term. That is, write each term in the form cxn if the term contains a variable.y = 6x - 4 + 
- 
+ 
A. y = 6x - 4 + 8x-4 - x-2 + 1x-3/2 B. y = 6x - 4 + 8x-4 - x-1/2 + 1x-2/3 C. y = 6x - 4 + (8x)-4 - x-1/2 + (1x)-2/3 D. y = 6x - 12 + x-4 - x-1/2 + x-2/3