Solve the formula for the specified variable. Assume all variables represent nonnegative numbers. If possible, simplify radicals and rationalize denominators. V = ?r2h for r
A. r = 
B. r = 
C. r = 
D. r = 
Answer: B
Mathematics
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The table below shows the cost of office supplies. Item Box of staples Box of pens Ream of paper Cost $1.50 $2.93 $5.17For each hour the office staff works, you earn $20.44. Use a formula to express the net income I, in dollars, that is the result H hours of work by the office staff less the cost of purchasing S boxes of staples, P boxes of pens, and R reams of paper. ?
A. 
B. ?
C. ?
D. ?
Mathematics
Subtract.1 - 20
A. 19 B. -19 C. 21 D. -21
Mathematics
Perform the necessary operations.20 - (-18) + 21 + (-19)
A. -42 B. 42 C. 40 D. 2
Mathematics
Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 4 
, z2 = 7 
A. 28 
B. 11 
C. 28 
D. 11 
Mathematics