Answer:
11 1/2 aka D
Step-by-step explanation:
add 7 and 4 which is 11, then add 1/4 and 1/4 which is 1/2
a. true
b. false ( angles should equal 180 125+65=190)
c. true
d. true
e. true

Explanation
Step 1
the density of an object is given by:

Step 2
let

Step 3
replace,

I hope this helps you
There are 60 minutes in an hour and percent means per one hundred so:
p/100=18/60
p=1800/60
p=30%
Answer:
1 a. warmer
b. -8 is closer
c. -2 degrees
d.his elevation is 10 ft below sea level
2 a.0
b. -300
c. -450
3 Basically a fraction is division so divide the numerator by the denominator to get the calculation. For example 2.1 divided by 1.5 equals 1.4.