Answer:
482.84 cm
Step-by-step explanation:
Answer:
5x-18
Step-by-step explanation:
2x+3x-18
5x-18
if ur in college how do u not know this :P
ANSWER
The solution is

EXPLANATION
The given equations are:

and

We multiply equation 1 by 3 to get,

We multiply equation 2 also by 2 to get,

We subtract equation 4 from equation 3 to get,

This implies that,

We put this value of y into any of the equations say equation 2

Simplify

Group like terms

Simplify,

Divide both sides by 3 to get,

Therefore the solution is

The correct answer is option D.
Answer:
41.43%
Step-by-step explanation:
Change:
99 - 70 = 29
% change:
29/70 × 100
= 41.42857143%
Answer:
y=4x-9
Step-by-step explanation:
add 4x to both sides to isolate y