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דוגמאות פופולריות
The diameter of a circle is 12 ft. Find its area in terms of pipiparis is 7 years older than amy. Ten years from now, the sum of their ages will be 43. How old are they now?This year, a French restaurant used 205,707 ounces of cream. That is 70% less than last year, when the restaurant had a different menu. How much cream did the restaurant use last year?Huilan's age is three times Thomas's age. The sum of their ages is 32 . What is Thomas's age?How many solutions exist for the system of equations graphed below? none one two infinitely many