Answer:
All but the first answer choice could be the length and width of a rectangle.
Step-by-step explanation:
3 cm and 8 cm produce 24 cm^2 when multiplied together. Reject.
1 cm and 20 cm, when multiplied together, result in 20 cm^2. Select.
2 cm and 10 cm => 20 cm^2 Select
4 cm and 5 cm => 20 cm^2. Select
Answer:
number 10
dy/dx =(dy/dt).(dt/dx)
now find
dy/dt=4t-1. , dt/dx=1
so : dy/dx=(4t-1).(1)
dy/dx= 4t-1 ,we have x=t-3-----> t=x+3
subtitute at t
dy/dx= 4(x+3)-1=4x+12-1= 4x+11
7488in3 in direct form of the eqation is the biggest answer but put 554in3 if in the parlogical form