Technological advances in farming made it possible to increase the crop of potatoes from 1 acre by 4 tons. as a result, from a field of 320 acres 640 tons of potatoes more were collected than before from a field of 400 acres. how many tons of potatoes were collected before the new methods and how many after the introduction of the new technology?

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If 3x+8=3x+8 is it one solution or no solution

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

The diagram shows corresponding lengths in two similar figures. find the area of the smaller figure. a. 14.4 yd2 b. 24 yd2 c. 26.4 yd2 d. 28