Use the formula for the area or circumference of a circle to solve the problem. Where applicable, express answers in terms of ?.
Find the area of the circle.
A. 121? cm2
B. 44? cm2
C. 15? cm2
D. 22? cm2
Answer: A
Mathematics
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Write the given Chinese numeral as a Hindu-Arabic numeral.
A. 257 B. 2057 C. 266 D. 268
Mathematics
Solve.The aerial view of a roof is shown in the figure. (a) How many squares (100 sq ft) of shingles are needed for the roof? (b) How many feet of gutters are needed?
A. (a) 3 squares, (b) 70 ft B. (a) 3 squares, (b) 75 ft C. (a) 4 squares, (b) 75 ft D. (a) 4 squares, (b) 70 ft
Mathematics
Identify the equation without applying a rotation of axes.10x2 - 10xy + 3y2 - 3x - 3y + 4 = 0
A. parabola B. ellipse C. hyperbola D. circle
Mathematics
Find the region that contains ordered pairs that are solutions to both inequalities.2x + y ? 4 and x - 1 > 0
A. 
B. 
C. 
D. 
Mathematics