18? because 45 divide by 5 is 9, and 5 cookies minus 3 is 2, so multiply 9 by 2 for 18
Answer:
Ok??
Step-by-step explanation:
Answer:
<h2><em><u>x</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>142</u></em><em><u>°</u></em></h2>
Step-by-step explanation:
This is because,
They are <em><u>Vertically</u></em><em><u> </u></em><em><u>Opposite</u></em><em><u> </u></em><em><u>Angles</u></em><em><u>. </u></em>
A is the only one that ones not decrease using a negative sign
