Use the order of operations to simplify the expression.
A. 2
B. 
C. 
D. 156
Answer: B
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?Which of the following is not an example of a function? ?
A. ?You buy gas at the gas pump. x represents the number of gallons and y represents the cost of x gallons. B. ?Cookies are advertised for $2.50 each and coffee for $2.00 each. If you buy 3 cookies and spend a total of $9.5, how much did you spend for coffee? C. ?The amount of money you spend out of your wallet is related to the amount of money left in your wallet. D. ?The amount of calories you burn is related to your pulse rate. E. ?Shirts are advertised at $15 each. You buy x number of shirts.
Find the curvature of the space curve.r(t) = (7 t sin t + 7 cos t)i + 7j + (7t cos t - 7 sin t)k
A. ? = 
B. ? = - 
C. ? = 7t
D. ? = 
Find the measures of x, y, and z in the figure.Given that m
n
A. ?x = 140° ?y = 40° ?z = 140° B. ?x = 40° ?y = 140° ?z = 40° C. ?x = 40° ?y = 140° ?z = 140° D. ?x = 40° ?y = 40° ?z = 40°
Provide an appropriate response.5x + 3y = 197x + 8y = 48If your friend were going to solve this system of equations by first eliminating y, what general suggestions would you make so your friend could start on this in a systematic way?
What will be an ideal response?