Answer:
19.625cm squared because you have to divide the diameter by 2 to get the radius.
Step-by-step explanation:
Answer:
a) 
b) -14
c) -3
d) -96
Step-by-step explanation:
a) The parenthesis indicate multiplication.
b) Minus and plus gives subtraction, and the sign you put behind the number is the sign of the largest number you have (in this case it's 21 since we ignore the -)
c) They already have common denominators, all that's left is to do 
d) The parenthesis indicate multiplication.
Good luck!
Answer:
A histogram
Step-by-step explanation:
Brainliest please
Answer:
Step-by-step explanation:
12h + 15(4) = 444
12h + 60 = 444
12h = 444 - 60
12h = 384
h = 384/12
h = 32 <===== Hector worked 32 hrs
Can I see what the question asks?