Solve the problem.Claire has received scores of 85, 88, 87, and 75 on her algebra tests. What score must she receive on the fifth test to have an overall test score average of at least 83?
A. 78 or greater
B. 81 or greater
C. 80 or greater
D. 79 or greater
Answer: C
Mathematics
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Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-2
+ 2i
A. 4(cos 45° + i sin 45°) B. 4(cos(-135°) + i sin(-135°)) C. 4(cos(-45°) + i sin(-45°)) D. 4(cos 135° + i sin 135°)
Mathematics
Make a scatterplot of the data.{(23, 50),(-9, 16),(22, 41),(-9, -16),(-5, -2),(8, 31),(3, 7),(16, 64),(-9, -1),(-5, 6)} 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The three squares stand for the numbers 4,6 and 8 in some order. Fill in the squares to make a true statement. (9 + ) - 6 ? = 30
A. 4, 8, 6 B. 4, 6, 8 C. 6, 8, 4 D. 6, 4, 8
Mathematics
Convert the degree measure to radians. Leave answer as a multiple of ?.36°
A. 
B. 
C. 
D. 
Mathematics