6) How can -6.75 + (-10.25) be expressed as the sum of its integer and decimal parts? -
-6+(-10)+(-0.75) +(-0.25)
-6+(-10) +0.75 +0.25
6+(-10) +0.75 +(-0.25)
6 + 10 +0.75 +0.25

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?

On monday, the water was shut off 3 times for 1/4 hours, 2/3 hours, and 1-3/4 hours, respectively. what was the tireless number of hours the water was off?