Describe the situation with a linear inequality and then solve the inequality.When making a long distance call from a certain pay phone, the first three minutes of a call cost $1.25. After that, each additional minute or portion of a minute of that call costs $0.35. Use an inequality to find the number of minutes one can call long distance for $3.70.
A. at most 11 minutes
B. at most 7 minutes
C. at most 3 minutes
D. at most 10 minutes
Answer: D
Mathematics
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Multiply.(2x + 3)(2x - 3)
A. 2x2 - 3 B. 4x2 + 12x - 9 C. 4x2 - 12x - 9 D. 4x2 - 9
Mathematics
Provide an appropriate response.Is it true that in order to multiply a number by a positive power of ten, you must move the decimal point to the left as many places as indicated by the exponent on the ten?
A. True B. False
Mathematics
Factor.y2 + 0.6y + 0.09
A. (y + 0.3)2 B. (y + 0.6)2 C. (y2 + 0.3)2 D. y(y + 0.6)
Mathematics
Find the value of the determinant.
A. -47 B. 79 C. -58 D. 47
Mathematics