Answer:
8.26772
Step-by-step explanation:
1 centimeter is equaled to 0.393701 in inches so multiply it by 21
Answer:
(-7,-15)
Step-by-step explanation:
We can substitute first y in the second y. Both equations are also functions. We can merge the equations.

Substitute x = -7 in any given equations. I will choose the second equation to substitute in.

<u>Answer</u><u> </u><u>Check</u>
Substitute both x and y in both equations.

The equation is true for (-7,-15).

The second equation is true for (-7,-15).
Therefore our answer is (-7,-15)
Answer:
35
Step-by-step explanation:
<u>7x2</u>+21
<u>14+21</u>
35
*The underlined problems is what you do first*