Answer:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
x
=
−
1
Step-by-step explanation:
Answer:
the <em>last one</em> (<u><em>CAE & BAD</em></u>) is the only Linear pair!
Hope this Helps! <3
Answer:

Step-by-step explanation:
We can add a line to create a triangle and a rectangle. The triangle will have side lengths 10 and 6. Furthermore, it will be a right triangle, meaning we can apply the Pythagorean Theorem to find x, the hypotenuse.

hope this helped! :)
Ok so find 20% off and see if less tha 75
percent means parts out of 100
20% means 20/100=1/5
'of' means multiply
20% of 80=1/5 times 80=16
off means subtract
disctoun tof 16 is 80-16=64
64<75
how much left over
75-spent=left over
75-64=11
anwwer is $11 left over and enough money to buy