Determine whether the equation in one variable is linear.
= 7
A. linear
B. not linear
Answer: B
Mathematics
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Replace the Cartesian equation with an equivalent polar equation.2x + 3y = 6
A. 2 cos ? + 3 sin ? = 6r B. r(2 cos ? + 3 sin ?) = 6 C. 2 sin ? + 3 cos ? = 6r D. r(2 sin ? + 3 cos ?) = 6
Mathematics
Answer the following question involving a conversion within the USCS system.How many gallons are in 77 barrels of petroleum?
A. 1.8 gal B. 2387 gal C. 3234 gal D. 4004 gal
Mathematics
Express the sum using summation notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Mathematics