Define the variable expression using the given information.An Excalibur entertainment console costs $60 less than seven times the cost of a Radex radio. Define the variable expression for the cost of an Excalibur entertainment console using the variable r to represent the cost of a Radex radio.
What will be an ideal response?
7r - 60 = cost of an Excalibur entertainment console
Mathematics
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Solve the problem.A new car dealership sold 333 cars in 2000, and sales are increasing by about 38 cars per year. Let s be the number of cars sold in the year that is t years since 2000. Find an equation for a linear model to describe this situation.
A. s = 333t + 38 B. s = (2000)(38)t + 333 C. s = 38t + 333 D. s = 371t + 333
Mathematics
Find the least common multiple.8x - 56 , x2 - 7x
A. 8x2 - 7 B. 8x - 7 C. 8x(x - 7) D. 8x2 - 56
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 3
C. 
D. 
Mathematics
Solve the inequality and graph the solution.
> 4
A. 
B. 
C. 
D. 
Mathematics