Answer:
a. volume= 784 is the answer
Answer: 
Step-by-step explanation:
To solve for b, we want to use the Pythagorean Theorem as given.
b and 7 are the legs, and 12 is the hypotenuse.
[exponent]
[subtract both sides by 49]
[square root both sides]

Now we know
.
Answer:
If written in algebraic form it is, 10x - 4 = 11
Step-by-step explanation:
Four less ( minus 4 ) than the product of ten and a number ( 10 times x ) is eleven ( equal to 11 ).
Hopefully this helps!
Brainliest please?
Not sure if you wanted answers or explanation on what to do. Ill just do the explanation and if you want the answers just lmk C:
R=1/2 d, and C=pi*2r. So you basically take the given number and plug it into these formulas.
Answer:
C. The sum of 18 and half the product of 9 and 4.