Answer:
OR 
Step-by-step explanation:
Given equation:

Solving the equation for 'x':
Using factorization method:

Making the factors by taking common:


OR

Answer: the answer would be $32
Step-by-step explanation:
I did the test and got that as an answer LOL
I'm guessing that this one is another complementary angle, so the equation should be 90- 30= (THE ANSWER VARIABLE). Again, complementary angles add up to 90 degrees.
9514 1404 393
Answer:
x = 78°
Step-by-step explanation:
The sum of the interior angles of a triangle is 180°.
x + a + b = 180°
x = 180° -a -b . . . . . . . . add -a-b to both sides
x = 180° -54° -48°
x = 78°