Solve the equation.132 - x = 19 (Round to the nearest hundredth.)
A. 2.87
B. -0.54
C. 0.85
D. 0.54
Answer: C
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Find the length of the parametric curve defined over the given interval.x = cos t, y = ln(sec t + tan t) - sin t, 0 ? t ? 
A. ln 
- ln 2
B. ln 2 - ln 
C. 
D. ln 2 + 
A diet requires at least 26 units of vitamin C and at least 31 units of vitamin B complex. Two food supplements are available that provide these nutrients, in the amounts and costs shown in the table below. How much of each should be used to minimize the cost? What is the minimum cost? SupplementVitamin CVitamin BCostA4 units per gram3 units per gram2 cents per gramB3 units per gram8 units per gram5 cents per gram? Please enter your answer as three numbers in the following order: number of grams of A, number of grams of B, minimum cost (in cents). Do not include the units in your answers, and separate the three numbers with commas.
What will be an ideal response?
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.V = 
?r3; r = 4, ? = 3.14
A. 66.99 B. 803.85 C. 267.95 D. 85.33
Solve the problem.When you were born, your uncle put $1000 into an investment account for you. The return on this money was rather consistent over the years, resulting in the pattern of growth depicted in the following graph.
In what year did your investment reach double the original amount?
A. At age 6. B. At age 9. C. never D. At age 7.