Answer:
30/(5+7)
Step-by-step explanation:
divide total bags by number of hours
30 bags / 3 hors = 10 bags per hour
he racked 10 bags per hour
Not sure about the first one but the second one is option c (or -3). You just have to factor and find the solutions (so it would be -7 and 4 and then u just add them)
For question 39 the answer is c
The price of of the hotdog to the price of popcorn is in the ratio 5:4
25:20 is 5:4
I believe the diagonals would be perpendicular. So if it's on a graph/coordinate plane the slopes would be opposite. And all the sides would be the same length/2 sets are parallel/same slope