Find two sets of parametric equations for the given rectangular equation.y = x2 - 4
What will be an ideal response?
x = t, y = t2 - 4; x = 
, y = t - 4, t ? 0
Mathematics
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Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model 
where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $70? (Round to the nearest minute.)
A. 4 min B. 106 min C. 190 min D. 37 min
Mathematics
Simplify.
A. 
B. 
C. 
D. - 
Mathematics
Evaluate the algebraic expression for the given values of the variables.x ÷ 6 ? (12 - y), for x = 36, y = 2
A. 70 B. 74 C. 84 D. 60
Mathematics
Simplify.65 - 23(2) + 30
A. 114 B. 1344 C. 49 D. 74
Mathematics