Evaluate -y+(-z)+7.99−y+(−z)+7.99minus, y, plus, left parenthesis, minus, z, right parenthesis, plus, 7, point, 99 where y = 1.46y=1.46y, equals, 1, point, 46 and z = 3.82z=3.82z, equals, 3, point, 82.

What is the value of x? 3x + (6x - 6) = 4(2x-2)

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?