Answer:
Ramp
Step-by-step explanation:
A ramp is easier for a person to go up or down on because it is just higher sloped ground. For a person with crutches, a ramp does not have any abnormal steps for them to try and get over with one leg.
Graph is attached.
Based on the graph (with height on the independent axis and weight on the dependent), there is a negative correlation between height and weight; as the height increases, the weight decreases.
If we were to graph this with weight on the independent axis and height on the dependent, there would still be a negative correlation.
Answer:
oa
Step-by-step explanation:
-15+7=-8
Adding numbers with different signs makes it subtraction and the answer will have the sign of the bigger number
(-9x-6y=-54) +(8x+6y=50)= -x=-4; x=4
3(4)+2y=18
12+2y=18
2y=6 ; y=3
Each birthday card costs 4