Y=3x^2+3x-5. and 2x-y=3
x=-.8 so y=4.6
-1 is thy answer..............
Answer:
You MADE IT EASY
Step-by-step explanation:

K.E=0.5mv^2
GPE=mgh
The child has both K.E and GPE


g is taken as 9.81
Answer: 170
Step-by-step explanation: Like I answered before: Angle G and Angle H are consecutive angles, meaning they both add up to 180 degrees. Thus, if 10 is the value of Angle G, Angle H must be 170.