Answer:
D. 30
Step-by-step explanation:
A. 15
3 and 5 are liable. 10 is not
B. 20
5 and 10 liable. 3 is not.
C. 25
5 is liable. 3 and 10 is not.
D. 30
3, 5, and 10 are liable
Answer:
367
Step-by-step explanation:
because of PEMDAS, 3, 4, 5, and 6 have to be multiplied together, then 7 can be added later.

Answer:
correct
Step-by-step explanation:
The perimeter is the sum of the sides.
Rectangle ( opposite sides are congruent ), thus
perimeter = 2x + 2(x + 18) = 2x + 2x + 36 = 4x + 36
Square ( sides are congruent ), thus
perimeter = 4(x + 9) = 4x + 36
The perimeters are the same, so the student is correct
Answer: The answer to 13 is 30. but one row will only have 1
Step-by-step explanation:If you divide 121 by 4 you will get a answer of 30 with a remainder of 1. since it is a uneven number. So you will have one row with only 1 chair.
4 • 2.08 would equal to 8.32