Translate the problem to a system of equations, then solve using matrices.Jim wants to plan a meal with 152 grams of carbohydrates and 1560 calories. If green beans have 7 grams of carbohydrates and 30 calories per half cup serving and if french fried shrimp have 9 grams of carbohydrates and 190 calories per three-ounce serving, how many servings of green beans and shrimp should he use?
A. 7 half cups of beans and 9 three-ounce helpings of shrimp
B. 14 half cups of beans and 6 three-ounce helpings of shrimp
C. 6 half cups of beans and 14 three-ounce helpings of shrimp
D. 9 half cups of beans and 7 three-ounce helpings of shrimp
Answer: B
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f
= 
, saddle point
B. f
= 
, local minimum; f
= 
, local minimum
C. f
= 
, saddle point; f
= 
, saddle point
D. f
= - 
, local maximum
Translate the sentence to an algebraic inequality.John's weight is greater than or equal to 144 pounds.
A. x ? 144 B. x ? 144 C. x < 144 D. x > 144
Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 5i + 8j, w = -3i + 5j
A. 179.0° B. 92.1° C. 63.0° D. 64.0°
Decide whether 
is positive, negative, or zero.
