Answer:
2x3+6x2/5x3 thats the expression
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
Answer: Not safe
Step-by-step explanation:
Let the angle of elevation of the ramp be θ, then:

But the maximum angle for the ramp cannot exceed 7.1°. The calculated angle of elevation will make it difficult, if not impossible, for motorized wheelchairs to get up the ramp.
Therefore, the ramp at the local library is not safe for motorized wheelchairs
Percent means parts out of 100
7%=7/100=0.07
'of' means multiply so
7%=0.7
7% of 280=0.07 times 280=196
12%=0.12
12% of 300=36
2%=0.02
2% of $1250=$25