Evaluate the expression using a rule for exponents.n0
A. -1
B. n
C. 1
D. 0
Answer: C
Mathematics
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Find the sum.
A. 
B. 
C. 
D. 
Mathematics
Find the difference.-14.7 - (-1.3)
A. -16 B. -13.4 C. 13.4 D. 16
Mathematics
Two formulas that approximate the dosage of a drug prescribed for children are: Young's Rule: C = 
and Cowling's Rule: C = 
.In each formula, A = the child's age in years, D = an adult dosage, and C = the proper child's dosage. The formulas apply for ages 2 through 13. Use these formulas to solve the problem.Use Cowling's Rule to find the difference in a child's dosage for a 10-year-old child and a 6-year old child. Express the answer as a single rational (or fractional) expression in terms of D.
A. 
D
B. 
D
C. 
D
D. 4D
Mathematics
Write the expression in lowest terms.
A. 
B. 
C. 
D. 
Mathematics