Solve the problem.Find the perimeter of a checkerboard measuring 26 cm on a side.
A. 78 cm
B. 104 cm
C. 676 cm
D. 52 cm
Answer: B
Mathematics
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Find the curvature of the space curve.r(t) = -4i + (t + 10)j +(ln(cos t) + 1)k
A. ? = sin t B. ? = cos t C. ? = sec t D. ? = csc t
Mathematics
Find the volume of the solid. Use 
for ?.
A. 405 cu mi
B. 22
cu mi
C. 135 cu mi
D. 202
cu mi
Mathematics
Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets. x + 8y = 375x + 7y = 20
A. {(-3, 5)}
B. {(-4, 6)}
C. {
x + 8y = 37}
D. ?
Mathematics
Simplify the polynomial by combining like terms.9x + 5x
A. 14x B. 7x C. -4x D. 14x2
Mathematics