Acircle has a diameter of 10 feet. what is the area of the circle? leave answers in terms of π.
a) 10π ft2
b) 25π ft2
c) 50π ft2
d) 100π ft2

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241. a) 0 b) 1 c) 2 d) 1 2

I'm confused on this could anyone me and show me what i need to do to solve it.