Which number is a composite number

A. 1

B. 2

C. 7

D. 9

Consider the following experiment: triplets are born and the order of birth of boys and girls is recorded. Let the event A be: less than 2 children among triplets are boys and the event B be: more than 2 children among triplets are boys.

What is the slope for y=0.5x+10

Another name for a triangle with one angle measuring 90 degrees is

5/2 minus blank equals 1/3

Find the additive inverse of - 5 + 7i.

If your sisters brother is 12 on his 16th birthday, how many dishes can he fold? A.) Orange B.) Closet C.) Nike D.) 7

I just need the answer to 5c - 3 (a + 3a)

Consider an assembly line with 20 stations. Each station has a 0.5% probability of making a defect. At the end of the line, an inspection step singles out the defective units. The inspection step catches 80% of all defects.

Sam read 5 books this week and some books last week. If Sam read 12 books in all, how many books (b) did Sam read last week?

What is the domain of f (x) = 5x^2 2x-1