Solve.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. 121, 155, 203
B. 115, 142, 190
C. 108, 142, 190
D. 108, 142, 169
Answer: C
Mathematics
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Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.236.85 + 8 + 15.743
round each to the nearest one
A. Estimate: 259; Actual: 260.593 B. Estimate: 261; Actual: 260.593 C. Estimate: 259; Actual: 261.593 D. Estimate: 261; Actual: 261.593
Mathematics
Find the exact value. Do not use a calculator.cot 
A. 1 B. 0 C. -1 D. undefined
Mathematics
Expand the expression.logb
A. logbm3 + logbp5 + logbn2 - logbb4 B. 3logbm + 5logbp - 2logbn + 4 C. 3logbm + 5logbp - 2logbn - 4 D. m3p5 - n2b4
Mathematics
Find the angle between the two planes.
?
?
A. ?81.6° B. 83.2° C. 83.8° D. ?80.6° E. 79.6°
Mathematics