Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 87? Round to the nearest hundredth of an hour.
A. 6.03 hr
B. 26.40 hr
C. 2.64 hr
D. 101.02 hr
Answer: C
Mathematics
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Determine whether the equation in one variable is linear.6
- 13 = 0
A. linear B. not linear
Mathematics
Solve the problem using the strategy of your choice.Can you place the digits 1 through 9 into a 3 x 3 square so that each row, column, and diagonal add up to the same total? Four digits have been inserted.
A. 
B. 
C. 
D. 
Mathematics
Perform the division.(8x2y3 + 12x4y7 - 12x5y4) ÷ (4x2y3)
A. 2 + 3xy4 - 3x2y B. 2 + 3x2y4 - 3x3y C. 2xy + 3x2y4 - 3x3y D. 2 + 3x2y3 - 3x3y2
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. (0, 2) B. (0, 5) C. (0, 8) D. none
Mathematics