Solve the problem.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 110, 145, 194
B. 117, 145, 194
C. 124, 159, 208
D. 110, 145, 173
Answer: A
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 10 - 6 cos ?
A. 68? B. 118? C. 136? D. 86?
Solve the problem.An athlete prepares for the 300-meter dash. How far will she run in yards?
A. 492.3 yd B. 270 yd C. 762 yd D. 333.3 yd
Simplify the polynomial, if possible. Write the result with descending powers.8m7 + 7m7
A. 105m B. 15m14 C. Cannot be simplified; 8m7 + 7m7 D. 15m7
Solve the problem.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Popcorn:$3.57 for 21 ounces $2.04 for 12 ounces
A. $2.04 for 12 ounces B. $3.57 for 21 ounces C. Both cost the same per ounce.