Write exponential notation.9 ? 9 ? 9
A. 93
B. 91
C. 3 ? 9
D. 39
Answer: A
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Solve the problem.A variable resistor R and an 8-? resistor in parallel have a combined resistance RT given by 
If R is changing at 
find the rate at which RT is changing when 
A. 0.30 ?/min B. 0.018 ?/min C. 1.7 ?/min D. 0.15 ?/min
Decide whether the dose is reasonable or unreasonable. If it is unreasonable, indicate whether it is too much or too little.Take 19 milliliters of cough syrup every four hours.
A. Unreasonable, too much B. Reasonable C. Unreasonable, too little
Provide an appropriate response.Evaluate and simplify: log2 1 + log2 2
Fill in the blank(s) with the appropriate word(s).
Find the product.7x(x + 8)(x - 2)
A. 7x2 + 42x - 112 B. 7x3 + 112x2 - 112x C. 7x3 + 42x2 - 112x D. 7x3 + 70x2 - 112x