Determine whether the statement is true or false. ? ? {France, Germany, Switzerland}
A. True
B. False
Answer: A
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Graph the linear equation. Give the x- and y-intercepts.y + 3x = 0
A. x-intercept: (0, 0); y-intercept: (0, 0)
B. x-intercept: (0, 0); y-intercept: (0, 0)
C. x-intercept: (0, 0); y-intercept: (0, 0)
D. x-intercept: (0, 0); y-intercept: (0, 0)
Reparametrize the curve with respect to arc length measured from the point where t = 0 in the direction of increasing t.
r(t) = (3+3t)i+ (4+9t)j- (6t)k
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. x = 
, x = - 
B. x = 8
C. x = 40
D. Defined for all real numbers
Solve.How much pure acid should be mixed with 9 gallons of a 50% acid solution in order to get an 80% acid solution?
A. 4.5 gal B. 13.5 gal C. 36 gal D. 22.5 gal