Translate the phrase into an expression involving addition, then simplify.-7 increased by 28
A. -21
B. 21
C. -35
D. 35
Answer: B
Mathematics
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Solve the system by graphing.3x + 2y = 134x + 3y = 18
A. (2, 3) B. (3, 2) C. (3, 6) D. Inconsistent
Mathematics
Shade the solution set in the xy-plane.y ? -8x2 - 3
A. 
B. 
C. 
D. 
Mathematics
Use dimensional analysis to solve the problem.The speed of sound under certain conditions is 1076 ft/sec. Calculate the speed in miles per hour. Round answers to the nearest tenths.
A. 733.6 mi/hr B. 737.6 mi/hr C. 12.2 mi/hr D. 2200.9 mi/hr
Mathematics
Do the operation and express the answer in 
form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics