Solve the equation.
+
= 
A. {0, 5}
B. ?
C. {0}
D. {-5}
Answer: B
Mathematics
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Evaluate the improper integral.
A.
B.
C.
D.
Mathematics
Estimate the value of the quantity.The velocity of a projectile fired straight into the air is given every half second. Use right endpoints to estimate the distance the projectile travelled in four seconds.
A. 815.6 m B. 854.8 m C. 407.8 m D. 427.4 m
Mathematics
Write the ratio in three different ways.the ratio of 0.2 to 50
A. 0.2 to 50, 0.2:50,
B. 0.2 to 50, 0.2;50,
C. 50 to 0.2, 50:0.2,
D. 0.2 of 50, 0.2;50,
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. cis 20°,
cis 140°,
cis 260°
B. cis 20°,
cis 140°,
cis 260°
C. cis 30°,
cis 150°,
cis 270°
D. cis 20°,
cis 140°,
cis 260°
Mathematics