Answer:
Step-by-step explanation:
Let her brother's age be x
Sarah is 2x + 4
Let x be the speed.
Maximum is 65 so x needs to be less than or equal to 65.
The minimum is 45, so x also has to be greater than or equal to 45
45 <= x => 65
Answer:
Step-by-step explanation:
c
Answer:x=9/4 and x=-3/2
Step-by-step explanation: