Answer:
2t-7
Step-by-step explanation:
distribute the 2, to the t and the -4
you should have 2t-8+1
then you add the 1 to the -8 and you get -7
resulting in 2t-7 being the answer
Answer:
C. 33
Step-by-step explanation:
Sample mean is right in the centre of the interval
Sample mean:
(25+41)/2
66/2
33
Answer:
4.
Step-by-step explanation:
180-34×2 = 112. I will skip with the details.
Answer:
D. 28.26 in²
Step-by-step explanation:
Area of a circle= πr²
r= 3
π= 3.14
A= (3.14)(3)²
A= 28.26 in²
to find remaining rooms 91-52=39
turn into a fraction =39/91
answer=39/91