Solve the problem.Last week, Samantha ran 14 miles. This week, she ran 12
miles. How much more did she run last week?
A. 1
miles
B. 16
miles
C. 1
miles
D. 26
miles
Answer: A
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The generating time for an animal is the time it takes to reach reproductive maturity. The following data show the generation time G, in years, and the length L, in feet, for some animals. Animal Deermouse Salamander Beaver Grizzly bear Elephant G 0.3 0.67 2.23 5.91 11.5 L 0.19 1 2.8 4 12.3? A: Use power regression to model the length as a function of the generation time. Use two digits of accuracy for the coefficient and for the power.B: Plot the data along with the power model you found in part A.C: According to the power model, if the generating time of one animal is 3 times that of another, how do their lengths compare? Round your answer to two decimal places.D: Is the grizzly bear longer or shorter than would be predicted by the power model?
What will be an ideal response?
Provide an appropriate response.In the problem statement "the difference between Y and 17 is 22," the word "difference" indicates:
A. multiplication B. division C. addition D. subtraction
Solve the problem.The perimeter of a triangle is 70 cm. The triangle is isosceles now, but if its base were lengthened by 6 cm and each leg were shortened by 5 cm, it would be equilateral. Find the base of the original triangle.
A. 22 B. 16 C. 15 D. 27
If n(A) = 15, n(B) = 25, and n(A?B) = 35 find n(A?B).
a. 4 c. 7 d. 8