Answer:
19
Step-by-step explanation:
<em>1</em><em>3</em><em>×</em><em>3</em><em>=</em><em> </em><em>3</em><em>9</em>
<em>1</em><em>4</em><em>.</em><em>5</em><em>×</em><em>4</em><em>=</em><em> </em><em>5</em><em>8</em>
<em>5</em><em>8</em><em>-</em><em>3</em><em>9</em><em>=</em><em> </em><em>1</em><em>9</em>
No don’t stab yourself! But I really hope someone helps you with this, I would but I just don’t understand sorry
An expression for “7 divided by c” is 7/c or 7 ÷ c
the lines are perpendicular because they're crossing each other