Lời Giải
the difference of four times a number and seven is thirteen
Lời Giải
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Represent the number with
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Two numbers differ by 4. The product of the two numbers is 221. What are the numbers?The bán kính of a circle is 6 ft. Find its area in terms of pipi.6 less than the quotient of a number and 12 is 12.What is the probability of throwing a total of 11 with two dice if the digit on first die is 5?1. A person invests 4500 in an account that earns 4.2% annual interest. Find when the value of the investment reaches20,000.