True. It passes through the origin, so it's the sine function (rather than the cosine function).
Answer:
y = 8x + 9
Step-by-step explanation:
Parallel lines have the same gradient,
So m = 8
y = 8x + c
When x = -1 ,y = 1
1 = 8(-1) + c
c = 9
y = 8x + 9
Gimme a sec, i need more time
Answer:
x = 300
Step-by-step explanation:
of means multiply and is means equals
25% * x = 75
Change to decimal form
.25x = 75
Divide each side by .25
.25x/.25 = 75/.25
x = 300