Solve the problem.The monthly cost of a certain texting plan is modeled by the formula 
where C is in dollars and n is the number of texts sent in a month. Use the model to find and interpret the result when
.
A. When n = 180, C = 29.35; It costs $29.35 to send 180 texts in a month using a certain texting plan.
B. When n = 180, C = 30.35; It costs $30.35 to send 180 texts in a month using a certain texting plan.
C. When n = 180, C = 14.40; It costs $14.40 to send 180 texts in a month using a certain texting plan.
D. When n = 180, C = 33.95; It costs $33.95 to send 180 texts in a month using a certain texting plan.
Answer: B
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Use Newton's Law of Cooling to solve the problem.A cup of coffee with temperature 102°F is placed in a freezer with temperature 0°F. After 5 minutes, the temperature of the coffee is 67.4°F. When will its temperature be 29°F? Round your answer to the nearest minute.
A. 21 minutes after being placed in the freezer B. 24 minutes after being placed in the freezer C. 14 minutes after being placed in the freezer D. 15 minutes after being placed in the freezer
Multiply.-4 ? (-6)? 0 ? 4
A. -96 B. 96 C. 86 D. 0
Find the equation of the line passing through the indicated two points in standard form.(-7, 6) and (0, -3)
A. 9x - 7y = 21 B. 13x - 3y = -9 C. -9x - 7y = 21 D. -13x + 3y = -9
Write the decimal as a fraction. Do not simplify.9.55
A. 
B. 
C. 
D. 