Answer:
4 times with a remainder 3
Step-by-step explanation:
7 * 4 = 28
28+3=31
The answer is B because if you make plot the the numbers on a grid as coordinates a linear function is created.
Answer:

Step-by-step explanation:

→ Multiply everything by 2

→ Expand out the bracket

→ Simplify

→ Divide both sides by 4 to isolate x

Answer:
To work this problem out you would do it as if it were just a simple equation
7x-19<16 (you would first have to add 19 to both sides)
7x<35 (then you would divide by 7 to get the variable by itself)
x<5 ( you answer would then be 5)
Step-by-step explanation: