Use a calculator to approximate the square root to three decimal places. Check to see that the approximation is reasonable.
A. 4.401
B. 84.996
C. 4.397
D. 85.009
Answer: C
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Identify and graph the polar equation.r = 4 sin 2?
A. rose with 4 petals
B. limacon with no inner loop
C. rose with 4 petals
D. rose with 8 petals
First estimate the answer. Then add or subtract to find the exact answer. Write answer as a mixed number.
A. Estimate: 13; Exact: 
B. Estimate: 13; Exact: 
C. Estimate: 12; Exact: 
D. Estimate: 12; Exact: 
Solve the system.x + 4y + 2z = -11 3y + 3z = -3 z = 3
A. (-1, 3, -4) B. (-1, -4, 3) C. (3, -4, -1) D. No solution
Solve. Remember to insert units when writing your answer.A carton of rugs weighs 42 lb 3 oz. Of this, 3 lb 8 oz is due to packaging. Find the weight of the rugs in 
A. 380 lb 3 oz B. 379 lb 11 oz C. 347 lb 3 oz D. 348 lb 3 oz