Answer:
15
Step-by-step explanation:
Answer:70
Step-by-step explanation:
10^2 =100
-2(10+15) = -2(15)=-30
100-30= 70
The equation would be 2x+3 so when you plug it in it's 2(-2)+3 which simplify to -4+3 which is -1
Dude use the formula of height and distance to find the height of the trangle and then you can find the other side length using Pythagorus theorem