Solve.The sun radiates energy into space at the rate of 3.9 × 1026 joules per second. How many joules are emitted in three weeks?
A. 7.07616 × 1032 joules
B. 7.07616 × 1026 joules
C. 7.07616 × 1059 joules
D. 7.07616 × 1053 joules
Answer: A
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Next year's value of quantity 1 is obtained by multiplying this year's value of quantity 1 by 0.75. Next year's value of quantity 2 is obtained by adding 0.75 to this year's value of quantity 1. Which of the two quantities are decaying exponentially? ?
A. Only quantity 1 B. Only quantity 2 C. Both quantity 1 and quantity 2 D. Neither quantity 1 nor quantity 2
Remove parentheses and simplify.6x - (4 - 4x)
A. 6x - 8 B. 10x - 4 C. 2x - 4 D. 10x + 4
Solve the problem.The value of a certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons. The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 (10 is excellent condition).
The variables are found to be related by the equation 
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c. Then, using the fact that the inverse of the matrix
src="https://sciemce.com/media/4/ppg__file0518192205__f1q74g3.jpg" style="vertical-align: -23.0px;" /> is 
, find a.
A. a = 15,850
B. a = 14,655
C. a = 15,600
D. a = 14,900
Solve the equation.9x - (7x - 1) = 2
A. 
B. 
C. 
D. 