Josh has a bag containing pieces of candy. The bag contains 10 red circular pieces, 10 red square pieces, 10 blue triangular pieces, and 10 blue star-shaped pieces. He draws a red piece of candy from the bag.

What is the complement of this event?

A. He draws a blue piece.
B. He draws a square piece.
C. He draws a circular piece.
D. He draws a star-shaped piece.

B

Step-by-step explanation: The reason I pick this because the only color for the square object would be red and complementary angles say that it is an object that can make a 90 degree angle which a square can do 4 times.

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google