Explain how an immune system response start after a macrophage attacks pathogen

An arrangement of marbles has 12 marbles in the first row and 10 rows in all. In each successive row one marble is added.

What are the diameter and radius of a circle with a circumference of 32π ft? A. d = 16 ft r = 8 ft B. d = 32 ft r = 16 ft C. d = 16 ft r = 32 ft D. d = 8 ft r = 16 ft

3 (144x+111) > 2,061 Don't know what it is

Solve k (h-j) + h with h=5, j = - 4, k=5

If x varies as y, and x=11 when y = 15, find x when y=3

All numbers divisible by 22 and 24 are also divisible by which of the following? 221 132 204 250 154

What is the fraction 6 over 11 written as a decimal

Expanded form for 9,032,504.75

What is the value of 10 (4-7) / - (4-1)

Jin and Chen are painting a fence. Each plank in the face takes one person about 3 minutes to paint. If there are 8 sections of fence with 12 planks in each section, about how many hours will it take Jin and Chen to do the job?