Answer:
a = -5
Step-by-step explanation:
15 - a = 20
Move the constant of 15 to the other side by subtracting it.
-a = 5
Divide by -1 to make a positive.
a = -5
Check.
15 - (-5) = 20
15 + 5 = 20
20 = 20
Answer:
Use inverse cos to solve for x.
hope this helps
H= 4x+12y+2
Not sure if the question is asking you to use distribution but that's really all you can do with this
Answer: The ratio of boys to girls in Mrs.Rogers class is 15 to 10.
Step-by-step explanation: