Use the problem-solving strategy to solve the problem and find the unknown number.The sum of a number and 9 is the same as the difference of 45 and the number.
A. -18
B. 27
C. 18
D. 5
Answer: C
Mathematics
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Solve the equation.log 9 (x - 3) + log 9 (x - 3) = 1
A. 6
B. 
C. -
, 
D. -6, 6
Mathematics
Evaluate the expression using the order of operations.-7 ? (8 - 3) - 33
A. -62 B. -8 C. 27 D. 5
Mathematics
Graph the quadratic equations.y = -x2 + 2x - 8
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A man 6 ft tall walks at a rate of 5 ft/s away from a lamppost that is 16 ft high. At what rate is the length of his shadow changing when he is 30 ft away from the lamppost?
A. 3 ft/s
B. 
ft/s
C. 
ft/s
D. 25 ft/s
Mathematics