Find two integers whose sum is -8 and product is 15

please answer quickly im on hegarty

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Need solving this second acceleration problem.

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?