Solve the problem.The perimeter of a triangle is 65 centimeters. Find the lengths of its sides, if the longest side is 7 centimeters longer than the shorter side, and the remaining side is 4 centimeters longer than the shorter side.
A. 18 cm, 22 cm, 25 cm
B. 20 cm, 21 cm, 24 cm
C. 18 cm, 23 cm, 25 cm
D. 20 cm, 20 cm, 25 cm
Answer: A
Mathematics
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Solve the equation.-4a + 3 + 5a = 9 - 30
A. 24 B. -24 C. -42 D. 42
Mathematics
Provide an appropriate response.Perform the indicated operations: -4 - 3 ÷ 1 × 
+ 50
A. -48 B. 18 C. -54 D. -16
Mathematics
Find the mean. Round to the nearest tenth when necessary.The weights in pounds of the five books in Lynn's backpack are as follows: 2.5, 2.8, 3.1, 2.5, 1.6
A. Mean = 2.5 pounds B. Mean = 3 pounds C. Mean = 2.1 pounds D. Mean = 2 pounds
Mathematics
Solve. Then graph the solution.-x2 - 6x - 5 ? 0
A. (-?, -5] ? [-1, ?)
B. [-1, ?)
C. [-5, -1]
D. (-?, -5]
Mathematics