Evaluate the expression.
A. 21
B. 38
C. 19
D. 20
Answer: C
You might also like to view...
Determine the domain of the variable x in the expression.f(x) = 
A. {x|x ? 3} B. {x|x ? 0} C. {x|x ? -3} D. all real numbers
Find the remaining zeros of a polynomial with real coefficients and having the specified degree and zeros.Degree 3; zeros: 5, 2 - i
A. 2 + i B. -2 + i C. -5 D. no other zeros
Write the first four terms of the sequence whose general term is given.an = 
n
A. 1, 
, 
, 
B. 
, 
, 
, 
C. 1, 
, 
, 
D. 
, 
, 
, 
Solve the problem.The height of a triangle is 2 centimeters less than its base. If the area of the triangle is 39 square centimeters, find the base and height of the triangle. Round to the nearest tenth of a centimeter if necessary.
A. base: 7.9 cm, height: 5.9 cm B. base: 7.9 cm, height: 9.9cm C. base: 11.9 cm, height: 9.9 cm D. base: 9.9 cm, height: 7.9 cm