Answer: 90°
Explanation: the sum of all the angles in a triangle = 180. So 70 + 30 = 90 and 180-90=90
Answer:
-7
Step-by-step explanation:
2x+3=x-4
Let's start by subtracting 3 from both sides
2x=x-7
Now, subtract x from both sides
x=-7
Let's plug it in to make sure!
2(-7) +3= (-7)-4
-11=-11
Answer:106.63%.
Step-by-step explanation:To find the percentage of the price per ounce of gold increase we will use % increase formula.Therefore, the price of per ounce of gold increased by 106.63%.
6 4/5 + 6 4/5 + 2 2/3 + 2 2/3 = 18 14/15
