Answer:
1,530 cm³
Step-by-step explanation:
The figure consists of two rectangular prism or cuboid.
The dimension of cuboid 1:


The dimension of cuboid 2:


Volume of the figure = 810 + 720 = 1,530 cm³
Answer:
D is the answer
Step-by-step explanation:
D is the answer because they don't go opposite ways on a graph (Ex: going higher and lower)
Answer:
A,D,E
Step-by-step explanation:
A) (5)+3=8
D)12x5=60
E) 12+5=17
If the ratio of red to blue pens is 3:1, we can find the amount of blue pens by multiplying by 1/3, to get 21*1/3=7. There are 21 red pens and 7 blue pens, so there are 21+7=28 pens total.