Solve the problem.Julia is preparing a meal by combining three ingredients. One unit of each ingredient provides the following quantities (in grams) of carbohydrates, fat, and protein. Protein(g)Carbohydrates(g)Fat (g)Ingredient A331Ingredient B242Ingredient C451Ideally the meal should contain 
of protein, 
of carbohydrates, and 
of fat. How many units of each ingredient should Julia use?
A. 2 grams of ingredient A, 3 grams of ingredient B, 4 grams of ingredient C
B. 3 grams of ingredient A, 4 grams of ingredient B, 2 grams of ingredient C
C. 4 grams of ingredient A, 2 grams of ingredient B, 3 grams of ingredient C
D. 2 grams of ingredient A, 4 grams of ingredient B, 3 grams of ingredient C
Answer: D
Mathematics
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Use reference angles to find the exact value of the expression. Do not use a calculator.cot 
A. 
B. 
C. - 
D. -
Mathematics
Use the quadratic formula to solve the equation. (All solutions are real numbers.)a2 + 14a + 40 = 0
A. 
B. {-10, -4}
C. {-20, -8}
D. {4, 10}
Mathematics
Solve the inequality.
?
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the system for all real solutions, using any suitable method.
?
What will be an ideal response?
Mathematics