Answer: D
Step-by-step explanation:
y= -4x
y = mx + b
m = -4
If you start on (0, 0), you'd go down 4 and to the right one, so then you'd have another point at (1, -4).
Answer:
40 girls
Step-by-step explanation:
Set up a proportion where x is the number of girls in band class:
= 
Cross multiply and solve for x:
3x = 120
x = 40
So, there were 40 girls in band class.
Answer:
area of trapezium in terms of x=1/2*x(x+3+x+1)
Step-by-step explanation:
She owes in total 40$ in total but seprate
She had to spend 50 cents... since nickels value at 5 cents, 10 5 cent coins value at 50 cents
Hope this helps
