Answer:
The first choices.
Step-by-step explanation:
The solid is a rectangular prism which means V=l × w × h
Answer: the first one
Step-by-step explanation: base×width×height
The other angle is 190-7x.
Angles in a triangle add up to 180 degrees.
Let A be the third angle.
A + (3x-20) + (4x+10) = 180
A = 180 - (3x - 20) - (4x + 10) = 190 - 7x
See the attached picture.
π
it's B
I just took the test
