Use a formula to solve the problem.What is the perimeter of a rectangle of length 10 ft and width 10 ft?
A. 20 ft
B. 30 ft
C. 40 ft
D. 80 ft
Answer: C
Mathematics
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Combine like terms when possible and write the polynomial in descending powers of the variable. Give the degree of the simplified polynomial. Decide whether the simplified polynomial is a monomial, a trinomial, or none of these.10n9 - 15n9 + 5n6 + 3n9 - 11n6
A. -2n9 - 6n6; 9; binomial B. -8n15; 15; monomial C. Cannot be simplified D. -8n9; 9; monomial
Mathematics
Determine the amplitude or period as requested.Period of y = 
cos 
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial square and use the square root method to solve the equation.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Subtract.9.710 - 3.045
A. 12.755 B. 6.765 C. 6.665 D. 6.865
Mathematics