Use the substitution method to solve the system. x - 5y = -17x - 4y = -7
A. (0, -1)
B. (-1, 0)
C. (1, -1)
D. No solution
Answer: B
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Solve the problem.A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of servings that can be prepared in one hour.Meatloaf: 10 servings per panNumber of pans per oven: 4Pan changes per hour: 2Number of ovens: 4
A. 160 servings B. 320 servings C. 80 servings D. 270 servings
Make the following conversion in the metric system.489 centimeters to meters
A. 4890 m B. 4.89 m C. 48,900 m D. 48.9 m
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.A = 40.82°, b = 13.5 ft
A. B = 49.18°, a ? 11.66 ft, c ?17.84 ft B. B = 49.18°, a ? 11.66 ft, c ? 20.65 ft C. B = 49.18°, a ? 11.7 ft, c ? 17.8 ft D. B = 49.18°, a ? 11.7 ft, c ? 20.7 ft
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 