Answer:
a)7x-3x
b)4+28y
Step-by-step explanation:
first one follow bidmas
2nd one just do 4 times 1 =4 and 7y times 4 equals 28y
Answer:
16.79 %
Step-by-step explanation:
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5k²-8k-45k+72 = 5k²-53k+72
Answer: 5k² - 53k + 72
Answer:
D
Step-by-step explanation:
Answer:multiply 2.50 by 25 I think
Step-by-step explanation: