Solve the formula for the specified variable.a + b = s + r for s
A. s = 
B. s = 
+ b
C. s = r(a + b)
D. s = a + b - r
Answer: D
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Solve the problem.At $12 per ticket, the Casper Coyotes will fill all 6000 seats in the assembly hall. The manager knows that for every $1 increase in the price, 300 tickets will go unsold. Write the number of tickets sold, n, as a function of the ticket price, p. How much money will be taken in if the tickets are $21 each?
A. n(p) = 600p + 4200; $16,800 B. n(p) = -300p - 6360, -$12,660 C. n(p) = -600p - 15,600; -$28,200 D. n(p) = -300p + 9600; $3300
Solve the inequality analytically, writing the solution set in interval notation.4 < 
< 7
A. 
B. 
C. 
D. 
? 
The cost of sending an overnight package from Los Angeles to Miami is $26.40 for a package weighing up to but not including 1 pound and $3.25 for each additional pound or portion of a pound. A model for the total cost C (in dollars) of sending the package is ? ? = 26.40 + 3.25[[x]] , x> 0, where x is the weight in pounds. ? Determine the cost of sending a package that weighs 5.25 pounds. ?
A. $45.65 B. ?$44.65 C. ?$43.65 D. ?$46.65 E. ?$42.65
Do the operation and express the answer in a + bi form.
?
?
A. -17i B. -85i C. -17 D. 17i E. 17