Substitute to find the value of the expression.The area of a triangle with base b and height h is given by the formula A = 
bh. Find the area of a triangle when the base is 8.7 centimeters and the height is 5.0 centimeters.
A. 0.87 cm2
B. 43.5 cm2
C. 21.75 cm2
D. 17.4 cm2
Answer: C
Mathematics
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The polar equation of a circle is given. Give polar coordinates for the center of the circle and identify its radius.r = -4 sin ?
A. C
, radius = 4
B. C
, radius = 2
C. C
, radius = 2
D. C
, radius = 4
Mathematics
Write the words for the dollar amount as you would on a check.$2,000.90
A. Two thousand and 
B. Two thousand dollars 
cents
C. Two thousand 
dollars
D. Two thousand dollars and 
Mathematics
Solve the linear equation.19t - 3 = 9t + 5
A. 
B. 
C. 
D. 
Mathematics
Find the absolute value.
A. - 
B. 
C. 0
D. 
Mathematics