Answer:

Step-by-step explanation:

All you need to do here is know where and how to plug in the numbers. In each equation, you'll have an initial fee, and an hourly fee, so your equation will be
y = i + hx, where i = the initial fee, and h = the hourly fee
So, after plugging them in, here's what you get:
Doors Galore: y = 40 + 50x
G&H: y = 60 + 40x
Answer:
3:45 pm
Step-by-step explanation:

by making r the subject, you need to divide the whole equation by 2πh
s/2πh = 2πhr/2πh
cancel out
r = s/2πh
Answer:
x= -4
Step-by-step explanation:
Using BODMAS, bracket first, multiply all in the bracket with -2, getting the answer, collect like terms and the answer is gotten