Earth’s atmosphere traps energy from the sun, which

a. allows water to exist as a liquid

b. allows water to exist as a solid

c. allows solar radiation to penetrate to the surface

d. allows ozone to form easily

description

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14