Evaluate.-5xy + 10y - 7 for x = -2, y = 1
A. 13
B. -7
C. 27
D. 20
Answer: A
Mathematics
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.If an object is dropped off of a tower, the velocity, V, of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Express V as a linear function of t.
A. V(t) = 32 + 10t
B. V(t) = 
C. V(t) = 32t + 10
D. V(t) = 42t
Mathematics
Solve the application.On average, 
of a teenager's day is spent at school or sleeping. If
is spent sleeping, what fraction is spent in school?
A. 
of their day
B. 
of their day
C. 
of their day
D. 
of their day
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.6c - 15cd + 6d
A. prime B. 3(2c - 5cd + 2d) C. 3(-3c + 2d) D. 3(2c + 5cd - 2d)
Mathematics