Answer:
x = - 4
Step-by-step explanation:
First do distributive property
5x-15=10x+5
then add 15
5x=10x+20
-10x
-5x=20
divide 5
x=-4
Answer:
Step-by-step explanation:
The formula of a surface area of a rectagular prism:
l - length
w - width
h - height
We have the dimensions 6cm × 14cm × 5cm. Substitute:
Im not sure what the question is asking but my guess would be c)18.
ABD: 22
DBC: 109
they are congruent angles