Alondra i really needi really need : (

page 1.)

1.) answer is (1,5)

2.) answer is 100

3.) answer is (5,7)

4.) answer is r=4 and b=2

Page 2.)

1.) answer is (-1,3)

2.) answer is c.

Page 3.)

1.) answer is a

2.) answer is b

3.) answer is d

Page 4.)

1.) answer is y=2x

 2.) answer is d

I hope this helps

50 min

step-by-step explanation:

they will be decreasing both their times in half

60 / 2 = 30

40/2 = 20

30 + 20 = 50

dont think so

step-by-step explanation: