Find the LCD for the given fractions.
and 
A. 40xy
B. 40xy2
C. 40x2y
D. 40x3y
Answer: C
Mathematics
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Find the probability.A couple has three children. Assuming that each child is equally likely to be a boy or a girl, find the probability that they have at least one girl.
A. 
B. 
C. 
D. 
Mathematics
Find ?, if 
and
?
with ? in QI
?
__________°
Fill in the blank(s) with the appropriate word(s).
Mathematics
What is the effective annual interest rate of an investment that pays 6.8% annual interest, compounded quarterly? Round to the nearest hundredth of a percent.
a. 6.98% b. 6.96% c. 7.02% d. 6.92% e. 6.80%
Mathematics
Find the simple interest. Round your answer to the nearest cent.Principal = $530Rate = 8%Time in years = 2
A. $106.00 B. $165.63 C. $10.60 D. $16.96
Mathematics