Answer:
48
Step-by-step explanation:
You can do it with cross multiplication
Answer:
2a + 10
Step-by-step explanation:
the number = 2(a + 5)
= 2a + 10
Its an acute triangle by angles.
Its a NONE by sides.
Answer:
123°
Step-by-step explanation:
Supplementary angles add up to be 180 degrees.
This means angles A and B will add up to be 180 degrees.
We can find the measure of angle B by subtracting 57 from 180
180 - 57
= 123
So, the measure of angle B is 123 degrees
Answer: C
I put the working in the other question you put up, but to put it briefly, multiply everything by 6 because all the options provided have a -6 inside that was meant to be the -1