Answer:
ramp is safe
Step-by-step explanation:
We need to find the slope of the ramp
y/x
20/210
.095238092
This is less than .1 so the ramp is safe
0.42
0.42857142857
x = -12.5
Solve : -2x - 10 =15
-2x - 10 = 15
-2x = 15 + 10
-2x = 25
x = -25/2
129/200
it is b
