Solve the problem.In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, the average of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality to find the range of scores that Rob can earn on the fifth test to get a C.
A. x ? 40, where x represents Bob's score on the fifth test
B. 40 < x < 90, where x represents Bob's score on the fifth test
C. 40 ? x ? 90, where x represents Bob's score on the fifth test
D. 40 ? x < 90, where x represents Bob's score on the fifth test
Answer: D
Mathematics
You might also like to view...
Graph the exponential function using transformations where appropriate.f(x) = - 3x
A. 
B. 
C. 
D. 
Mathematics
Convert the angle given in radian measure into degrees. Round to two decimal places if needed.2 radians
A. 113.38° B. 0.03° C. 114.59° D. 0.17°
Mathematics
Evaluate without the use of a calculator.arctan
A. 
B. 
C. 
D. 
Mathematics
Use De Moivre's Theorem to find the indicated power of the complex number. Write your answer in standard form a + bi.(- 
+ i)6
A. 64 - 64
i
B. 64i
C. -64
D. -64
+ 64i
Mathematics