Answer:

Step-by-step explanation:
4x^2+ 12x = 135
D=b²−4ac=122−4(4)(−135)=144+2160=2304=48²

Answer: 5/12
Step-by-step explanation:
Answer:
z=125
y=30
Step-by-step explanation:
x and z are the same because of the congruent sides then is triangle sum
Just multiply the 12 miles by two and the gallon by 2 to get an equivalent unit rate
24 miles per 2 gallons
<span>(y^5)^2 = y^10
This is power of a power property</span>