Solve the equation.t + 8
= 30
A. t = 
B. t = 
C. t = 
D. t = 
Answer: C
Mathematics
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Find a Cartesian equation for the line whose polar equation is given.r cos
= 4
A. y = x + 4
B. y = x - 8
C. y = 
x - 8
D. y = x + 4
Mathematics
Simplify the rational expressions.
A. 
B. 
C. 
D. 
Mathematics
Solve.A bridge with a semi-elliptical arch extends over a river as shown. Find an equation of the ellipse that represents the arch of the bridge.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the problem.A restaurant offered salads with 3 types of dressings and one choice of 8 different toppings. How many different types of salads could be offered?
A. 24 B. 64 C. 9 D. 11
Mathematics