Yes, they cross each other and make an angle of 90° or right angle.
Answer:
Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.
Step-by-step explanation:
6 problems ÷ 2 hours = 3 problems per hour
12 problems ÷ 3 hours = 4 problems per hour
Answer:
A and B
Step-by-step explanation:
9x+9+5x-6
14x+3
32x+8-18x-5
14x+3
