- 1 1/3 - 2 1/5
= -4/3 - 11/5
= -20/15 - 33/15
= -53/15
= -3 8/15 mg/L
Answer: 2
Step-by-step explanation: 6 + (-4) = 6 - 4 = 2
Answer:
A:60
Step-by-step explanation:
9ftx10ft= 90 ft squared = 1080 inches
1080/36 (6x6=36) inches= 30 white tiles x2 because of the ratio
60 white tiles
Answer:
First choice
Step-by-step explanation:
Angles A and D are vertical angles
Angles A and Z are alternate exterior angles