Answer:
If you want 915/7 simplified, it is 130.714285714.
Step-by-step explanation:
Answer:
b = 12
Step-by-step explanation:
Complementary angles add to 90 degrees
a+b = 90
78+b = 90
Subtract 78 from each side
78-78+b = 90-78
b = 12
Answer:
x= 4 or <
Step-by-step explanation:
$249.......................................