What is the Answer to -5a--4a-3b?

What is function of oligopeptide? What is 140 degrees in radians? How many solutions are there for cube root of 1331? How many parallel and perpendicular faces do cubes have? How do you write seventy five and one hundred thirty four thousandths in expanded form? what- given a preimage point B (1, -3)? What is six-hundred and fifteen divided by three-hundred and sixty-five? What is minus 78 and 67? What is 25 percent of 490? What is 0.000 000 000 154 in scientific notation? What is the least common multiply of 108 and 256? List the factors of 42 and 56 in each number? What is the LCM of 99 and 78? What is 1 000 meters in to cm? Are whole numbers the same as units? What is 780nanometers in meters per second? What Round 8.5 to the nearest whole number? Find the X and Y intercepts of 2x plus 2y equals 7? What does collecting data and tables mean in the scientific method? What is the improper fraction of 2 one third?