Find the equation of a line passing through the given points. Solve the equation for y.(0, 7); slope = 
A. y = x + 7
B. y = - x - 7
C. y = x + 7
D. y = x - 7
Answer: C
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Write an algebraic expression to answer the question and simplify.A stack of currency contains 60 bills. In the stack are x $20 bills. The rest are $50 bills. How much money is in the stack of bills?
A. 20x + 50(60 - x); -30x + 3000 dollars B. 20x - 50(60 - x); 70x - 3000 dollars C. 20x + 50(60 - x); 30x + 3000 dollars D. Cannot be solved
Solve the problem.How many solutions does the equation cos 4x = 0.95 - x2 have?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 4000 in 6 hours, what will it be at the end of 8 hours? Assume that the population decreases according to the exponential model.
A. 2530 B. 1474 C. 2947 D. 3000
Tell whether the points are the vertices of a parallelogram (that is not a rectangle), a rectangle, or neither.(-7, -1), (2, -10), (16, -3), (7, 8)
A. Rectangle B. Parallelogram C. Neither