4n - 2 + 90 + 3n + 8 = 180
7n + 96 = 180
7n = 84
n = 12
5-1.5= 3.5 She has three and a half hours left watching TV.
Answer:
-1
Step-by-step explanation:
x y x2 y2
-3,5 and 5,-3
-3-5/5-(-3)
-8/8
the slope is -1/1
y2-y1 / x2-x1=slope of the two points
HI, a right triangle is a triangle that has a 90 degree angle. the angle look similar to the letter l capitalized L then to complete this you will draw a diagonal line connecting the two points on the 90 angle. I Hope this could help.
-(5v5)^3 (use exponent rules)
-125x5v5 (calculate the product)
=-625v5 (pretend the v is a square root sign)