Answer:
B
Step-by-step explanation:
Angle is 180
combine like terms
180/9=20
X=20
4x+5x=180
4(20)+5(20)=180
hope this helps
Answer:
-8
Step-by-step explanation:
(-32)^(3/5) is equivalent to (-2^5)^(3/5) and applying exponent rules then simplifying you can get your answer.
Multiply both sides by x, so x=a+b
Answer:
105:175
Step-by-step explanation:
3+5 = 8
3/8 of 280 is 105.
5/8 of 280 is 175.
the ratio is 105:175
next we have to simplify it:
divide both sides by 5:
21:35 divide both sides by 7=
3:5
B because the other 3 graphs don’t fit the equation