Evaluate the expression for the given replacement values. Write the answer in simplest form.
for x = 
, y = 
, z = 
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.What form do planes perpendicular to the y-axis have in spherical coordinates?
A. ? = a csc ? csc ? B. ? = a sin ? sin ? C. ? = a csc ? D. ? = a csc ?
2.49 ÷ 15
A. 2.66 B. 0.266 C. 1.66 D. 0.166
Solve the problem.The total price (including sales tax) of a VCR is $375.07. The sales tax rate is 6%. What is the purchase price of the VCR (the price before taxes are added)? Round your answer to the nearest cent.
A. $234.42 B. $350.53 C. $353.84 D. $357.21
Write the answer to the problem as an algebraic expression.Today the Center City baseball team scored 11 runs. The day before yesterday they scored y. How many runs did they score in these two days?
A. 11y runs B. 11 - y runs C. 11 + 2y runs D. 11 + y runs