D and b
they are 90° angles cause you can draw your line to make a 90° angle
Answer:

Step-by-step explanation:
Existence of Triangle



Answer:
please mark brainlist
Step-by-step explanation:
- <em><u>7</u></em><em><u>8</u></em>
- <em><u>8</u></em><em><u>5</u></em>
- <em><u>1</u></em><em><u>0</u></em>
- <em><u>5</u></em>
- <em><u>1</u></em><em><u>9</u></em>
- <em><u>3</u></em>
- <em><u>2</u></em><em><u>5</u></em>
- <em><u>8</u></em>
- <em><u>6</u></em><em><u>2</u></em>
- <em><u>0</u></em>
Flip over the second fraction
2 3/5= 13/5 ( Multiply the whole number with the denominator, 2*5=10 then add the numerator 10+3=13
-3 3/4= -15/4
13/5 * -4/15= -52/75
Answer :-52/75
Answer:
2. x = 12.5
Step-by-step explanation:
x=56.25÷4.5=12.5