Simplify.i18
A. 1
B. -i
C. i
D. -1
Answer: D
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Add or subtract as indicated. If terms are not like radicals and cannot be combined, so state. Assume all variables represent nonnegative real numbers.9
+ 2
A. 11
B. 13
C. -13
D. -5
Solve.One week in April in the town of Cedartown, it rained 0.70 inches on Tuesday, 1.85 inches on Wednesday, and 1.11 inches on Friday. It didn't rain the other four days. What was the total rainfall for the week?
A. 3.56 in. B. 3.67 in. C. 3.66 in. D. 3.76 in.
Round the money amount to the specified place.$3999.61 to the nearest dollar
A. $3000 B. $4 C. $3999.6 D. $4000
Solve the problem.Bruce is a retired carpenter who builds patio chairs and dog houses, which he sells at his local flea market. It takes him 4 hours to build a dog house and 3 hours to build a patio chair. Bruce can work no more than 35 hours per week, and he must produce more chairs than dog houses. Write a system of inequalities to describe this situation. Use D for the number of dog houses and P for the number of patio chairs produced in a week.
A. 
P ? 0
D ? 0
B. 
P ? 0
D ? 0
C. 
P ? 0
D ? 0
D. 
P ? 0
D ? 0