Estimate the answer by rounding as indicated.Estimate by rounding to the nearest ten.
A. 26
B. 160
C. 20
D. 30
Answer: C
Mathematics
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Use a vertical format to find the product.2z2 - 5z + 7
A. 14z3 - 31z2 + 39z - 14 B. 10z3 - 25z2 + 35z C. 10z3 - 45z2 - 35z D. 14z3 - 39z2 + 59z - 14
Mathematics
Use properties of fractions to simplify the expressions. The word per means division and may be replaced by a fraction bar. Round your answer to two decimal places.
A) 2.5 gal/hr
B) 2.5 hr/gal
C) 2 hr/gal
D) 5 gal
E) 3.5 gal/hr
Mathematics
X is Normal(5, 7).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable
Mathematics
Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi
Mathematics