Desmond builds a set of towers out of blocks. The table shows the number of blocks in each tower. Tower # 1 2 3 4 5 Number of blocks5 10 20 40 80 Which explicit formula correctly represents the number of blocks, an, in terms of the tower number, n? A. An =n+ 80 B. Ar = 2n +5 C. An = 5(2)7-1 D. An = 10(5)n

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

Aballet student who learns with the of his instructor is demonstrating learning.

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?