Solve the system by substitution, if possible.
?
?
A. (11, -2)
B. (7, 4)
C. (-3, 12)
D. (4, 7)
E. No solutions
Answer: D
You might also like to view...
Use the fact that the given triangles are similar to find the value of x.
A. 28 B. 45 C. 34 D. 36
Solve by using addition, subtraction, multiplication, or division as needed.Last year an employee's salary was $8400. From that a total of $2268 was withheld for taxes and social security. What was his monthly take-home pay?
A. $511 B. $700 C. $889 D. $6132
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
B = 42°, b = 54.9
A. A = 42°, a = 49.4, c = 40.8 B. A = 42°, a = 49.4, c = 82 C. A = 48°, a = 61, c = 73.9 D. A = 48°, a = 61, c = 82
Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
A. 6, 330° B. 9, 150° C. 9, 210° D. 6, 150°