Solve.x2 = 81
A. 40.5
B. -9, 9
C. -10, 10
D. 9
Answer: B
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Find the direction angles of each vector. Round to the nearest degree, if necessary.v = -12i - 4j + 6k
A. ? = 94°, ? = 91°, ? = 88° B. ? = 149°, ? = 107°, ? = 65° C. ? = 161°, ? = 108°, ? = 62° D. ? = 157°, ? = 108°, ? = 63°
Evaluate the integral by changing the order of integration in an appropriate way.
A. - 5 ln 4 ln cos 5 B. 5 ln 2 ln cos 5 C. - 5 ln 2 ln cos 5 D. 5 ln 4 ln cos 5
Write a word name for the decimal.0.2625
A. Two thousand six hundred twenty-five hundredths B. Two thousand six hundred twenty-five hundred-thousandths C. Two thousand six hundred twenty-five ten-thousandths D. Two thousand six hundred twenty-five thousandths
Identify if the whole number is prime or composite.45
A. Prime B. Composite