-3x(-7) = -3(-2)(-7) ⇒ -42
-42 would be the answer.
Answer:
Solution given:
the angles 2xº and 4yºare complementary
so
2x+4y=90°
dividing both side by 2we get
x+2y=45°
<u>the value of x + 2y</u><u> </u><u>i</u><u>s</u><u> </u><u>4</u><u>5</u><u>°</u><u>.</u>
Answer:
<h3> a₁ = -1</h3>
Step-by-step explanation:

There’s are ratio which would be 8/10. 12/x should equally 8/10. So it would be 14 tiles long.