Answer:
1. -2
2. 21^2
Step-by-step explanation:
Answer:
8+18W
Step-by-step explanation:
distribute the 2 into the parentheses. 2×4 is 8 and 2×8 is 18.
Answer:
(0,-5) and (-4,3)
Step-by-step explanation:
The given equations are

Make y the subject in the second equation;

Substitute into the first equation;

Expand:





When x=0,

This gives; (0,-5)
When x=-4

This gives (-4,3)
An algebraic expression doesnt have an equals sign or an inequality sign.
So,
A is an expression
B is an inequality
C is an equation
D is an in inequality
So the answer is A