Answer:
=> 2.7 × 10³ × 8 × 10² / 4 × 10^-6
=> 2.7 × 8 × 10^3+2+6 /4
=> 5.4 × 10¹¹
5.4 × 10^11
Answer:
Complementary, x=78
Step-by-step explanation:
90= (x-8)+20
complementary angles add up to 90 degrees.
Answer:

Step-by-step explanation:

Add 6 to both sides:


Divide both sides by -3:


Subtract 4 from both sides:


Divide both sides by 2:


Answer:
The function is...f(x)=(-1,-2)
Step-by-step explanation:
Answer:
72 feet
Step-by-step explanation:
8 feet by 9 feet well first you have to notice that the word by means to multiply so you have to multiply 8x9
so
8x9=72feet of the area