Answer:
a = -8
Step-by-step explanation:
you can solve this proportion by cross-multiplying:
4(a + 9) = -1(a + 4)
now distribute to eliminate parentheses
4a + 36 = -1a - 4
5a + 36 = -4
5a = -40
a = -8
Answer:
X=20
Step-by-step explanation:
Answer:
t $9.50 of it is quarters and 30 cents of it is dimes so 3 dimes
Step-by-step explanation:
Answer:
A
Step-by-step explanation: i am in math 8
lol
Answer:
C.
Step-by-step explanation:
The equation for the slope of a line is y2-y1/x2-x1, and both triangles have the same slope equation for their hypotenuse.
