Answer:
A
Step-by-step explanation:
trust me
Answer:
y = 2, x = -1
Step-by-step explanation:
2y - 5x = 9
2y = 9+5x
y = (9+5x) /2
4y + 3x = 5
4((9+5x) /2) + 3x = 5
13x + 18 = 5
13x = -13
x = -1
y = (9+5x) /2
y = (9+5(-1)) /2
y = 2
Answer:

Step-by-step explanation:
Hi there!

Replace all x's with a-1:

I hope this helps!
16:64
5:x (Cross Multiply)
16x = 64*5
16x = 320 (Then Divide both sides by 16 to isolate x)
x= 20
Answer:
132
Step-by-step explanation:
the top rectangle is 28
the middle rectangle is 56
each of the triangles are 24
48+28+56