The correct answer is A, x-4
Prime factorization of 620:
620
2 310
2 155
5 31
31 1
Answer:
√71
Step-by-step explanation:
Simplify 42÷6 to 7
√64+7
Simplify 64+7 to 71
=√71
You multiply 86 by 42.5 because each board is 42.5 and there are 86 boards.
17.76(5) = 88.15 + 27.52 = 115.67
Answer is A
