Answer: 3a + 2c = 73 (last night)
2a + 5c = 89 (last week)
Step-by-step explanation:
Answer:
5 x 10 = 50
Step-by-step explanation:
five boxes
10 books in each
5+5+5+5+5+5+5+5+5+5=50
multiplying is the faster way
Answer:
AB, BC and AC.
Step-by-step explanation:
The length of a side of a triangle is proportional to the angle across it.
Here the order of angles are, from smallest to largest, C, A and B.
The corresponding order of lengths (of the opposite sides) are therefore:
AB, BC and AC.
Answer: I believe the scale is balanced.
Step-by-step explanation: I stated that because since the other side of the scale contained 12 marbles that were 1 pound each that would be 12 pounds and then since 4+8=12 12 pounds of marbles were also put on the other side.