Several logs are stored in a pile with 30 logs on the bottom layer, 29 on the second layer, 28 on the third layer, and so on. If the top layer has one log, how many logs are in the pile?
?
A. 464
B. 465
C. 450
D. 435
E. none of the above
Answer: B
Mathematics
You might also like to view...
Write out the first five terms of the sequence.an = 
A. - 
, - 
, - 
, - 
, - 
B. 
, - 
, 
, - 
, 
C. 
, - 
, - 
, - 
, - 
D. 
, 
, 
, 
, 
Mathematics
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 + 6x 
A. vertex (3, -9)
intercept (0, -18)
B. vertex (3, 9)
intercepts (0, 0), (6, 0)
C. vertex (-3, 9)
intercepts (0, 0), (- 6, 0)
D. vertex (-3, -9)
intercept (0, -18)
Mathematics
Factor out the negative GCF from the polynomial. If the GCF is 1, factor out -1.-2m2 - 5
A. -1(2m2 + 5) B. -1(-2m2 + 5) C. -1(-2m2 - 5) D. -1(2m2 - 5)
Mathematics
Round as indicated.8248 to the nearest ten
A. 8350 B. 8260 C. 8250 D. 8240
Mathematics