For the first one just do the multiplication as you do normally.
For the second one, you have to put a zero behind before calculating the numbers in front
Answer:
∠A = 94º
∠C = 86º
Step-by-step explanation:
You just need to know that the sum of the two angles in a parallelogram must be equal to 180º. Let's make an equation.

Solve;

Combine like terms;

Subtract 24


Divide by 8

Simplify.

Replace;
∠A = 


≅ 94
----------------------------------------------------------------------------------------------
∠C =




≅86
Answer:
y=-1/2x+3/4
Step-by-step explanation:
just divide the entire equation by 4, so that y is isolated.
The standard form equation of a line is y=mx+b
1440 will be your least common multiple