Which of the following represents the sum of the series below? 4 + 7 + 10 + 13 + 16 + 19 + 22 + 25 + 28 +31 + 34 + 37 + 40 A) 4(13+40/2)
B) 13(4+40/2)
C) 40 = 3+(n-1)4
D) 40 = 4+(n-1)3

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.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?