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 blocks
5 10 20 40 80
Which explicit formula correctly represents the number of blocks, an, in terms of the tower number, n?
O A. an = n + 80
O B. an = 2n + 5
OC. an = 5(2)-1
OD. an = 10(5)

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Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next