Perform the indicated division or state that the expression is undefined.-210 ÷ 7
A. -40
B. 30
C. - 
D. -30
Answer: D
Mathematics
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Convert the units as shown. 20
cu yd = ____ cu ft
A. 0.765 B. 558 C. 0.641 D. 549
Mathematics
Solve the problem.Anne and Nancy use a metal alloy that is 16% copper to make jewelry. How many ounces of an alloy that is 10% copper must be mixed with an alloy that is 20% copper to form 55 ounces of the desired alloy?
A. 38 ounces B. 33 ounces C. 22 ounces D. 24 ounces
Mathematics
Solve. Round to the nearest percent if necessary.One share of stock which originally sold for $190 now sells for $171. What is the percent of decrease?
A. 19% B. 90% C. 10% D. 11%
Mathematics
Find the partial fraction decomposition for the rational expression.
A. 2x - 9 + 
+ 
B. 2x + 9 + 
+ 
C. 2x + 5 + 
+ 
D. 2x - 9 + 
- 
Mathematics