The regression model for the data shown in the table is y = 2.3x + 3.9.
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Plot the data and the model on the same axes.
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Solve the given applied problem.A rectangular area of 2600 ft2 is to be fenced off along the bank of a river; no fence is required along the river. If the material for the fence costs $16 per running foot for the two ends and $15 per running foot for the side parallel to the river, what end length results in a cost of $2380.
A. 100 ft B. 52 ft C. 50 ft D. 25 ft
Identify the type of surface represented by the given equation. 
+ 
= 
A. Hyperbolic paraboloid
B. Elliptical cone
C. Elliptical paraboloid
D.
| Ellipsoid |
Write the objective function that describes the problem.Mrs. White wants to crochet beach hats and baby afghans for a church fund-raising bazaar. She needs 8 hours to make a hat and 2 hours to make an afghan and she has 64 hours available. She wants to make no more than 14 items and no more than 9 afghans. The bazaar will sell the hats for $18 each and the afghans for $11 each. Let x equal the number of hats sold and y equal the number of afghans sold.
A. z = 6x + 8y B. z = 11x + 18y C. z = 18x + 11y D. z = 8x + 6y
The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400If 
of the family income is spent on entertainment, how much did they spend for entertainment last year?
A. $6750 B. $5250 C. $6287.50 D. $7400