Answer:

Step-by-step explanation:
x2+5x+
4/x+4
By two opposite rays.
The explanation is t<span>he straight </span>angle<span> is the only type of </span>angle formed by two opposite rays<span>. All other </span>angles formed by two rays<span> are less than </span>180<span> degrees. Acute </span>angles<span> are between zero and 90 degrees. A right </span>angle<span>, with one </span>ray<span> perpendicular to another, is 90 degrees.
Hope it helped! :)</span>
X = 98 becuz 4 times 14 is 56 so 7 times 15 is your answer, which is 98
5/2 ÷ 7/10
5/2 x 10/7
50/14; 25/7; Answer: 3 4/7
-7/5 ÷ -8/5
-7/5 x 5/8
-35/40
-(-35/40)
-(-7/8). Answer: 7/8
-7/10 x 5/4
-35/40
-7/8. Answer: -7/8
Hoped this helped