Answer:
−28r−28
Step-by-step explanation:
−4(7r+7)
=(−4)(7r+7)
=(−4)(7r)+(−4)(7)
72/9 = 8
She read 8 chapters per hour.
graph 1 proportional
graph 2&3 is non proportional
i think
B
3 out of 10 is smaller than 3 out of 5
