The algebraic expression can be written as
x-5.
The answer is 138
Because the angle is 180 and what I did was 2 x 21 = 42 and I did 180-42 equals to 138
Answer:
0.1
Step-by-step explanation:
0.3 x 7= 2.1
2.1 - 2= 0.1
Answer:
x = 4
Step-by-step explanation:
To solve, simplify the expression then use inverse operations to isolate x.

Volume of cylinder
v = πr²
v = 22/7 x 21²
v = 1385.441 cm³