Solve the problem.A charitable organization estimates that 60% of the people in a certain area who make a contribution in one year will also contribute the next year, and that 10% of those who do not contribute one year will contribute the next. Let x and y denote the number of people who contribute in one year respectively, and let u and v be the corresponding numbers for the following year.(a) Write a matrix equation relating 
to 
.(b) Solve the equation for 
/>.(c) Suppose that out of 10,000 people, 1500 made a contribution this year. How many made a contribution last year?
What will be an ideal response?
(a)
= 
.
(b)
= 
(c) 1000
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Solve.Lew is installing an invisible fence in his back yard which measures 112 feet by 66 feet by 87 feet by 94 feet. How many feet of wiring is needed to enclose his yard?
A. 359 ft B. 379 ft C. 349 ft D. 369 ft
Plot the ordered pairs on the rectangular coordinate system provided.A(-6, -4), B(-2, 2)
What will be an ideal response?
Determine the continuity of the function at the given points.f(x) = 
at x = -1 and x = 0
A. The function f is continuous at neither 
nor 
B. The function f is continuous at both 
and 
C. The function f is continuous at 
but not at 
D. The function f is continuous at 
but not at 
Solve the problem.A sample of 250 grams of radioactive substance decays according to the function 
where t is the time in years. How much of the substance will be left in the sample after 10 years? Round to the nearest whole gram.
A. 180 grams B. 9 grams C. 0 grams D. 1 gram