Darlene bought the pencil holder shown below. Note: Figure is not drawn to scale.

What is the volume of the pencil holder?
A.
240 cubic centimeters
B.
60 cubic centimeters
C.
200 cubic centimeters
D.
120 cubic centimeters

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g

In the diagram below,abc is congruent to dec what is the value of x