Solve.A square plywood platform has a perimeter which is 9 times the length of a side, decreased by 15. Find the length of a side.
A. 1
B. 5
C. 8
D. 3
Answer: D
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Using Green's Theorem, calculate the area of the indicated region.The circle r(t) = (9 cos t)i + (9 sin t)j, 0 ? t ? 2 ?
A. 81? B. 9? C. 2? D. 18?
Solve.Karl Mason sold 
gross of data disks on Monday, 
gross on Tuesday, and 
on Wednesday. What was the total gross sold?
A. 
gross
B. 
gross
C. 
gross
D. 
gross
Consider the initial value problem. Find the approximations of y(0.2) and y(0.4) using Euler's method with a time step of 
Then using the exact solution given, compute the errors in the Euler approximations at 
and 
Round answers to five decimal places, do not use intermediate rounding.y'(t) = 
, y(0) = 8; y(t) = 8et/8
A. 
; 
B. 
; 
C. 
; 
D. 
; 
The table lists data that are exactly linear. (i) Find the slope-intercept form of the line that passes through these data points. (ii) Predict y when x = -1.5 and 4.6. 
A. y = 2.2x + 7; y = 3.70, y = 17.12 B. y = 2.2x - 7; y = -10.3, y = 3.12 C. y = -2.2x - 7; y = -3.7, y = -17.12 D. y = -2.2x + 7; y = 10.3, y = -3.12